cc: Implement shared worker contexts. (v1)

android_webview/browser/aw_render_thread_context_provider.h

Index: android_webview/browser/aw_render_thread_context_provider.h
diff --git a/android_webview/browser/aw_render_thread_context_provider.h b/android_webview/browser/aw_render_thread_context_provider.h
index 24c1463ecd81628528e85827f9ee56fa4dad41f3..109e50efaacfec246ae8c53a5403ca4bc06e0923 100644
--- a/android_webview/browser/aw_render_thread_context_provider.h
+++ b/android_webview/browser/aw_render_thread_context_provider.h
@@ -46,12 +46,13 @@ class AwRenderThreadContextProvider : public cc::ContextProvider {
   base::Lock* GetLock() override;
   void VerifyContexts() override;
   void DeleteCachedResources() override;
-  bool DestroyedOnMainThread() override;
+  bool HasBeenLostOnMainThread() override;
   void SetLostContextCallback(
       const LostContextCallback& lost_context_callback) override;
   void SetMemoryPolicyChangedCallback(
       const MemoryPolicyChangedCallback& memory_policy_changed_callback)
       override;
+  bool HasBeenDestroyed() override;
 
   void OnLostContext();
 
@@ -64,7 +65,7 @@ class AwRenderThreadContextProvider : public cc::ContextProvider {
 
   LostContextCallback lost_context_callback_;
 
-  bool destroyed_;
+  bool lost_;
 
   base::Lock context_lock_;