style: Rename variables of the form $name into name .

Closes #854

Author: mvuksano

lib/core/interpolate.dart

@@ -4,8 +4,8 @@ part of angular.core_internal;
  * Compiles a string with markup into an expression. This service is used by the
  * HTML [Compiler] service for data binding.
  *
- *     var $interpolate = ...; // injected
- *     var exp = $interpolate('Hello {{name}}!');
+ *     var interpolate = ...; // injected
+ *     var exp = interpolate('Hello {{name}}!');
  *     expect(exp).toEqual('"Hello "+(name)+"!"');
  */
 @NgInjectableService()

lib/core_dom/view_factory.dart

@@ -119,12 +119,12 @@ class WalkingViewFactory implements ViewFactory {
 class ViewCache {
   // _viewFactoryCache is unbounded
   final _viewFactoryCache = new LruCache<String, ViewFactory>(capacity: 0);
-  final Http $http;
-  final TemplateCache $templateCache;
+  final Http http;
+  final TemplateCache templateCache;
   final Compiler compiler;
   final dom.NodeTreeSanitizer treeSanitizer;
 
-  ViewCache(this.$http, this.$templateCache, this.compiler, this.treeSanitizer);
+  ViewCache(this.http, this.templateCache, this.compiler, this.treeSanitizer);
 
   ViewFactory fromHtml(String html, DirectiveMap directives) {
     ViewFactory viewFactory = _viewFactoryCache.get(html);
@@ -138,7 +138,7 @@ class ViewCache {
   }
 
   async.Future<ViewFactory> fromUrl(String url, DirectiveMap directives) {
-    return $http.getString(url, cache: $templateCache).then(
+    return http.getString(url, cache: templateCache).then(
         (html) => fromHtml(html, directives));
   }
 }
@@ -165,7 +165,7 @@ class _ComponentFactory implements Function {
                     this._expando);
 
   dynamic call(Injector injector, Scope scope,
-               ViewCache $viewCache, Http $http, TemplateCache $templateCache,
+               ViewCache viewCache, Http http, TemplateCache templateCache,
                DirectiveMap directives) {
     shadowDom = element.createShadowRoot()
         ..applyAuthorStyles = component.applyAuthorStyles
@@ -180,19 +180,19 @@ class _ComponentFactory implements Function {
     List<async.Future<String>> cssFutures = new List();
     var cssUrls = component.cssUrls;
     if (cssUrls.isNotEmpty) {
-      cssUrls.forEach((css) => cssFutures.add($http
-          .getString(css, cache: $templateCache)
+      cssUrls.forEach((css) => cssFutures.add(http
+          .getString(css, cache: templateCache)
           .catchError((e) => '/*\n$e\n*/\n')
       ));
     } else {
       cssFutures.add(new async.Future.value(null));
     }
     var viewFuture;
     if (component.template != null) {
-      viewFuture = new async.Future.value($viewCache.fromHtml(
+      viewFuture = new async.Future.value(viewCache.fromHtml(
           component.template, directives));
     } else if (component.templateUrl != null) {
-      viewFuture = $viewCache.fromUrl(component.templateUrl, directives);
+      viewFuture = viewCache.fromUrl(component.templateUrl, directives);
     }
     TemplateLoader templateLoader = new TemplateLoader(
         async.Future.wait(cssFutures).then((Iterable<String> cssList) {

lib/directive/ng_a.dart

@@ -11,7 +11,7 @@ part of angular.directive;
  *
  * This change permits the easy creation of action links with the `ngClick`
  * directive without changing the location or causing page reloads, e.g.:
- * `<a href="" ng-click="model.$save()">Save</a>`
+ * `<a href="" ng-click="model.save()">Save</a>`
  */
 @NgDirective(selector: 'a[href]')
 class NgA {

lib/mock/http_backend.dart

@@ -9,48 +9,48 @@ import 'package:angular/utils.dart' as utils;
 
 
 class _MockXhr {
-  var $$method, $$url, $$async, $$reqHeaders, $$respHeaders;
+  var method, url, async, reqHeaders, respHeaders;
 
   void open(method, url, async) {
-    $$method = method;
-    $$url = url;
-    $$async = async;
-    $$reqHeaders = {};
-    $$respHeaders = {};
+    this.method = method;
+    this.url = url;
+    this.async = async;
+    reqHeaders = {};
+    respHeaders = {};
   }
 
-  var $$data;
+  var data;
 
   void send(data) {
-    $$data = data;
+    data = data;
   }
 
   void setRequestHeader(key, value) {
-    $$reqHeaders[key] = value;
+    reqHeaders[key] = value;
   }
 
   String getResponseHeader(name) {
     // the lookup must be case insensitive, that's why we try two quick
     // lookups and full scan at last
-    if ($$respHeaders.containsKey(name)) return $$respHeaders[name];
+    if (respHeaders.containsKey(name)) return respHeaders[name];
 
     name = name.toLowerCase();
-    if ($$respHeaders.containsKey(name)) return $$respHeaders[name];
+    if (respHeaders.containsKey(name)) return respHeaders[name];
 
     String header = null;
-    $$respHeaders.forEach((headerName, headerVal) {
+    respHeaders.forEach((headerName, headerVal) {
       if (header != null) return;
       if (headerName.toLowerCase()) header = headerVal;
     });
     return header;
   }
 
   getAllResponseHeaders() {
-    if ($$respHeaders == null) return '';
+    if (respHeaders == null) return '';
 
     var lines = [];
 
-    $$respHeaders.forEach((key, value) {
+    respHeaders.forEach((key, value) {
       lines.add("$key: $value");
     });
     return lines.join('\n');
@@ -177,7 +177,7 @@ class MockHttpBackend implements HttpBackend {
     var wrapResponse = (wrapped) {
       var handleResponse = () {
         var response = wrapped.response(method, url, data, headers);
-        xhr.$$respHeaders = response[2];
+        xhr.respHeaders = response[2];
         utils.relaxFnApply(callback, [response[0], response[1],
              xhr.getAllResponseHeaders()]);
       };
@@ -260,8 +260,8 @@ class MockHttpBackend implements HttpBackend {
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#whenGET
-   * @methodOf ngMock.$httpBackend
+   * @name ngMock.httpBackend#whenGET
+   * @methodOf ngMock.httpBackend
    * @description
    * Creates a new backend definition for GET requests. For more info see `when()`.
    *
@@ -274,8 +274,8 @@ class MockHttpBackend implements HttpBackend {
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#whenDELETE
-   * @methodOf ngMock.$httpBackend
+   * @name ngMock.httpBackend#whenDELETE
+   * @methodOf ngMock.httpBackend
    * @description
    * Creates a new backend definition for DELETE requests. For more info see `when()`.
    *
@@ -288,8 +288,8 @@ class MockHttpBackend implements HttpBackend {
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#whenJSONP
-   * @methodOf ngMock.$httpBackend
+   * @name ngMock.httpBackend#whenJSONP
+   * @methodOf ngMock.httpBackend
    * @description
    * Creates a new backend definition for JSONP requests. For more info see `when()`.
    *
@@ -301,8 +301,8 @@ class MockHttpBackend implements HttpBackend {
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#whenPUT
-   * @methodOf ngMock.$httpBackend
+   * @name ngMock.httpBackend#whenPUT
+   * @methodOf ngMock.httpBackend
    * @description
    * Creates a new backend definition for PUT requests.  For more info see `when()`.
    *
@@ -316,8 +316,8 @@ class MockHttpBackend implements HttpBackend {
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#whenPOST
-   * @methodOf ngMock.$httpBackend
+   * @name ngMock.httpBackend#whenPOST
+   * @methodOf ngMock.httpBackend
    * @description
    * Creates a new backend definition for POST requests. For more info see `when()`.
    *
@@ -333,8 +333,8 @@ class MockHttpBackend implements HttpBackend {
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#whenHEAD
-   * @methodOf ngMock.$httpBackend
+   * @name ngMock.httpBackend#whenHEAD
+   * @methodOf ngMock.httpBackend
    * @description
    * Creates a new backend definition for HEAD requests. For more info see `when()`.
    *
@@ -346,8 +346,8 @@ class MockHttpBackend implements HttpBackend {
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#expect
-   * @methodOf ngMock.$httpBackend
+   * @name ngMock.httpBackend#expect
+   * @methodOf ngMock.httpBackend
    * @description
    * Creates a new request expectation.
    *
@@ -375,8 +375,8 @@ class MockHttpBackend implements HttpBackend {
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#expectGET
-   * @methodOf ngMock.$httpBackend
+   * @name ngMock.httpBackend#expectGET
+   * @methodOf ngMock.httpBackend
    * @description
    * Creates a new request expectation for GET requests. For more info see `expect()`.
    *
@@ -389,8 +389,8 @@ class MockHttpBackend implements HttpBackend {
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#expectDELETE
-   * @methodOf ngMock.$httpBackend
+   * @name ngMock.httpBackend#expectDELETE
+   * @methodOf ngMock.httpBackend
    * @description
    * Creates a new request expectation for DELETE requests. For more info see `expect()`.
    *
@@ -403,8 +403,8 @@ class MockHttpBackend implements HttpBackend {
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#expectJSONP
-   * @methodOf ngMock.$httpBackend
+   * @name ngMock.httpBackend#expectJSONP
+   * @methodOf ngMock.httpBackend
    * @description
    * Creates a new request expectation for JSONP requests. For more info see `expect()`.
    *
@@ -416,8 +416,8 @@ class MockHttpBackend implements HttpBackend {
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#expectPUT
-   * @methodOf ngMock.$httpBackend
+   * @name ngMock.httpBackend#expectPUT
+   * @methodOf ngMock.httpBackend
    * @description
    * Creates a new request expectation for PUT requests. For more info see `expect()`.
    *
@@ -431,8 +431,8 @@ class MockHttpBackend implements HttpBackend {
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#expectPOST
-   * @methodOf ngMock.$httpBackend
+   * @name ngMock.httpBackend#expectPOST
+   * @methodOf ngMock.httpBackend
    * @description
    * Creates a new request expectation for POST requests. For more info see `expect()`.
    *
@@ -446,8 +446,8 @@ class MockHttpBackend implements HttpBackend {
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#expectPATCH
-   * @methodOf ngMock.$httpBackend
+   * @name ngMock.httpBackend#expectPATCH
+   * @methodOf ngMock.httpBackend
    * @description
    * Creates a new request expectation for PATCH requests. For more info see `expect()`.
    *
@@ -461,8 +461,8 @@ class MockHttpBackend implements HttpBackend {
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#expectHEAD
-   * @methodOf ngMock.$httpBackend
+   * @name ngMock.httpBackend#expectHEAD
+   * @methodOf ngMock.httpBackend
    * @description
    * Creates a new request expectation for HEAD requests. For more info see `expect()`.
    *
@@ -474,8 +474,8 @@ class MockHttpBackend implements HttpBackend {
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#flush
-   * @methodOf ngMock.$httpBackend
+   * @name ngMock.httpBackend#flush
+   * @methodOf ngMock.httpBackend
    * @description
    * Flushes all pending requests using the trained responses.
    *
@@ -502,8 +502,8 @@ class MockHttpBackend implements HttpBackend {
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#verifyNoOutstandingExpectation
-   * @methodOf ngMock.$httpBackend
+   * @name ngMock.httpBackend#verifyNoOutstandingExpectation
+   * @methodOf ngMock.httpBackend
    * @description
    * Verifies that all of the requests defined via the `expect` api were made. If any of the
    * requests were not made, verifyNoOutstandingExpectation throws an exception.
@@ -512,7 +512,7 @@ class MockHttpBackend implements HttpBackend {
    * "afterEach" clause.
    *
    * <pre>
-   *   afterEach($httpBackend.verifyNoOutstandingExpectation);
+   *   afterEach(httpBackend.verifyNoOutstandingExpectation);
    * </pre>
    */
   void verifyNoOutstandingExpectation() {
@@ -524,16 +524,16 @@ class MockHttpBackend implements HttpBackend {
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#verifyNoOutstandingRequest
-   * @methodOf ngMock.$httpBackend
+   * @name ngMock.httpBackend#verifyNoOutstandingRequest
+   * @methodOf ngMock.httpBackend
    * @description
    * Verifies that there are no outstanding requests that need to be flushed.
    *
    * Typically, you would call this method following each test case that asserts requests using an
    * "afterEach" clause.
    *
    * <pre>
-   *   afterEach($httpBackend.verifyNoOutstandingRequest);
+   *   afterEach(httpBackend.verifyNoOutstandingRequest);
    * </pre>
    */
   void verifyNoOutstandingRequest() {
@@ -543,12 +543,12 @@ class MockHttpBackend implements HttpBackend {
 
   /**
    * @ngdoc method
-   * @name ngMock.$httpBackend#resetExpectations
-   * @methodOf ngMock.$httpBackend
+   * @name ngMock.httpBackend#resetExpectations
+   * @methodOf ngMock.httpBackend
    * @description
    * Resets all request expectations, but preserves all backend definitions. Typically, you would
    * call resetExpectations during a multiple-phase test when you want to reuse the same instance of
-   * $httpBackend mock.
+   * httpBackend mock.
    */
   void resetExpectations() {
     expectations.length = 0;