Add Systrace sections to UIImplementationProvider

Summary:
Add Systrace sections to initialization of non-Fabric UIImplementationProvider. This path is sometimes invoked during startup of Fabric so I'd like to gather more information about its impact.

Changelog: [Internal]

Reviewed By: ejanzer

Differential Revision: D24959965

fbshipit-source-id: a8555b8db284d00f97c71ca859cb2020409cb110

ReactAndroid/src/main/java/com/facebook/react/uimanager/UIImplementationProvider.java

@@ -9,6 +9,7 @@
 
 import com.facebook.react.bridge.ReactApplicationContext;
 import com.facebook.react.uimanager.events.EventDispatcher;
+import com.facebook.systrace.Systrace;
 import java.util.List;
 
 /** Provides UIImplementation to use in {@link UIManagerModule}. */
@@ -20,31 +21,52 @@ public UIImplementation createUIImplementation(
  UIManagerModule.ViewManagerResolver viewManagerResolver,
  EventDispatcher eventDispatcher,
  int minTimeLeftInFrameForNonBatchedOperationMs) {
- return new UIImplementation(
- reactContext,
- viewManagerResolver,
- eventDispatcher,
- minTimeLeftInFrameForNonBatchedOperationMs);
+ Systrace.beginSection(
+ Systrace.TRACE_TAG_REACT_JAVA_BRIDGE, "UIImplementationProvider.createUIImplementation[1]");
+ try {
+ return new UIImplementation(
+ reactContext,
+ viewManagerResolver,
+ eventDispatcher,
+ minTimeLeftInFrameForNonBatchedOperationMs);
+ } finally {
+ Systrace.endSection(Systrace.TRACE_TAG_REACT_JAVA_BRIDGE);
+ }
  }
 
  public UIImplementation createUIImplementation(
  ReactApplicationContext reactContext,
  List<ViewManager> viewManagerList,
  EventDispatcher eventDispatcher,
  int minTimeLeftInFrameForNonBatchedOperationMs) {
- return new UIImplementation(
- reactContext, viewManagerList, eventDispatcher, minTimeLeftInFrameForNonBatchedOperationMs);
+ Systrace.beginSection(
+ Systrace.TRACE_TAG_REACT_JAVA_BRIDGE, "UIImplementationProvider.createUIImplementation[2]");
+ try {
+ return new UIImplementation(
+ reactContext,
+ viewManagerList,
+ eventDispatcher,
+ minTimeLeftInFrameForNonBatchedOperationMs);
+ } finally {
+ Systrace.endSection(Systrace.TRACE_TAG_REACT_JAVA_BRIDGE);
+ }
  }
 
  UIImplementation createUIImplementation(
  ReactApplicationContext reactContext,
  ViewManagerRegistry viewManagerRegistry,
  EventDispatcher eventDispatcher,
  int minTimeLeftInFrameForNonBatchedOperationMs) {
- return new UIImplementation(
- reactContext,
- viewManagerRegistry,
- eventDispatcher,
- minTimeLeftInFrameForNonBatchedOperationMs);
+ Systrace.beginSection(
+ Systrace.TRACE_TAG_REACT_JAVA_BRIDGE, "UIImplementationProvider.createUIImplementation[3]");
+ try {
+ return new UIImplementation(
+ reactContext,
+ viewManagerRegistry,
+ eventDispatcher,
+ minTimeLeftInFrameForNonBatchedOperationMs);
+ } finally {
+ Systrace.endSection(Systrace.TRACE_TAG_REACT_JAVA_BRIDGE);
+ }
  }
 }