refactor(sidenav): BREAKING: change to $media to $mdMedia

`$media` in mdSidenav `is-locked-open` is now changed to `$mdMedia`.
`$media` is deprecated and will warn via the console.

closes #1745

docs/config/template/index.template.html

@@ -18,7 +18,7 @@
 
   <md-sidenav class="site-sidenav md-sidenav-left md-whiteframe-z2"
               md-component-id="left"
-              md-is-locked-open="$media('gt-sm')">
+              md-is-locked-open="$mdMedia('gt-sm')">
 
     <md-toolbar>
       <h1 class="md-toolbar-tools">

src/components/sidenav/demoBasicUsage/index.html

@@ -3,7 +3,7 @@
 
   <section layout="row" flex>
 
-    <md-sidenav class="md-sidenav-left md-whiteframe-z2" md-component-id="left" md-is-locked-open="$media('gt-md')">
+    <md-sidenav class="md-sidenav-left md-whiteframe-z2" md-component-id="left" md-is-locked-open="$mdMedia('gt-md')">
 
       <md-toolbar class="md-theme-indigo">
         <h1 class="md-toolbar-tools">Sidenav Left</h1>

src/components/sidenav/sidenav.js

@@ -107,7 +107,7 @@ function SidenavService($mdComponentRegistry, $q) {
  *   </md-content>
  *
  *   <md-sidenav md-component-id="right"
- *     md-is-locked-open="$media('min-width: 333px')"
+ *     md-is-locked-open="$mdMedia('min-width: 333px')"
  *     class="md-sidenav-right">
  *     Right Nav!
  *   </md-sidenav>
@@ -129,15 +129,15 @@ function SidenavService($mdComponentRegistry, $q) {
  * the sidenav 'locks open': it falls into the content's flow instead
  * of appearing over it. This overrides the `is-open` attribute.
  *
- * A $media() function is exposed to the is-locked-open attribute, which
+ * The $mdMedia() service is exposed to the is-locked-open attribute, which
  * can be given a media query or one of the `sm`, `gt-sm`, `md`, `gt-md`, `lg` or `gt-lg` presets.
  * Examples:
  *
  *   - `<md-sidenav md-is-locked-open="shouldLockOpen"></md-sidenav>`
- *   - `<md-sidenav md-is-locked-open="$media('min-width: 1000px')"></md-sidenav>`
- *   - `<md-sidenav md-is-locked-open="$media('sm')"></md-sidenav>` (locks open on small screens)
+ *   - `<md-sidenav md-is-locked-open="$mdMedia('min-width: 1000px')"></md-sidenav>`
+ *   - `<md-sidenav md-is-locked-open="$mdMedia('sm')"></md-sidenav>` (locks open on small screens)
  */
-function SidenavDirective($timeout, $animate, $parse, $mdMedia, $mdConstant, $compile, $mdTheming, $q, $document) {
+function SidenavDirective($timeout, $animate, $parse, $log, $mdMedia, $mdConstant, $compile, $mdTheming, $q, $document) {
   return {
     restrict: 'E',
     scope: {
@@ -161,7 +161,8 @@ function SidenavDirective($timeout, $animate, $parse, $mdMedia, $mdConstant, $co
     var isLockedOpenParsed = $parse(attr.mdIsLockedOpen);
     var isLocked = function() {
       return isLockedOpenParsed(scope.$parent, {
-        $media: $mdMedia
+        $media: function(arg) { $log.warn("$media is deprecated for is-locked-open. Use $mdMedia instead."); return $mdMedia(arg); },
+        $mdMedia: $mdMedia
       });
     };
     var backdrop = $compile(

src/components/sidenav/sidenav.spec.js

@@ -77,7 +77,7 @@ describe('mdSidenav', function() {
         $provide.value('$mdMedia', mdMediaSpy);
       });
       inject(function($rootScope, $animate, $document, $mdMedia) {
-        var el = setup('md-is-locked-open="$media(123)"');
+        var el = setup('md-is-locked-open="$mdMedia(123)"');
         expect($mdMedia).toHaveBeenCalledWith(123);
       });
     });

src/core/util/media.js

@@ -21,7 +21,7 @@ angular.module('material.core')
  * @usage
  * <hljs lang="js">
  * app.controller('MyController', function($mdMedia, $scope) {
- *   $scope.$watch(function() { return $mdMedia('lg'); } function(big) {
+ *   $scope.$watch(function() { return $mdMedia('lg'); }, function(big) {
  *     $scope.bigScreen = big;
  *   });
  *