Android WebView: fix missing an invalidate

android_webview/browser/shared_renderer_state.h

Index: android_webview/browser/shared_renderer_state.h
diff --git a/android_webview/browser/shared_renderer_state.h b/android_webview/browser/shared_renderer_state.h
index 2245f73b21e79fd5fedd8c255d47c3563ed52e44..79b10b6b145e25751f70e2c67cedd44a20fed44f 100644
--- a/android_webview/browser/shared_renderer_state.h
+++ b/android_webview/browser/shared_renderer_state.h
@@ -57,7 +57,8 @@ class SharedRendererState {
   scoped_ptr<DrawGLInput> PassDrawGLInput();
 
   bool IsInsideHardwareRelease() const;
-  void UpdateDrawConstraints(
+  // Returns true if the draw constraints are updated.
+  bool UpdateDrawConstraints(
       const ParentCompositorDrawConstraints& parent_draw_constraints);
   void PostExternalDrawConstraintsToChildCompositor(
       const ParentCompositorDrawConstraints& parent_draw_constraints);
@@ -67,6 +68,10 @@ class SharedRendererState {
   void SetSharedContext(gpu::GLInProcessContext* context);
   gpu::GLInProcessContext* GetSharedContext() const;
 
+  void SetForceInvalidateOnNextDrawGL(
+      bool needs_force_invalidate_on_next_draw_gl);
+  bool NeedsForceInvalidateOnNextDrawGL() const;
+
   void InsertReturnedResources(const cc::ReturnedResourceArray& resources);
   void SwapReturnedResources(cc::ReturnedResourceArray* resources);
   bool ReturnedResourcesEmpty() const;
@@ -90,6 +95,7 @@ class SharedRendererState {
   mutable base::Lock lock_;
   scoped_ptr<DrawGLInput> draw_gl_input_;
   bool inside_hardware_release_;
+  bool needs_force_invalidate_on_next_draw_gl_;
   ParentCompositorDrawConstraints parent_draw_constraints_;
   gpu::GLInProcessContext* share_context_;
   cc::ReturnedResourceArray returned_resources_;