aw: Ensure invalidation when pipeline is stalled

android_webview/browser/shared_renderer_state.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ANDROID_WEBVIEW_BROWSER_SHARED_RENDERER_STATE_H_
 #define ANDROID_WEBVIEW_BROWSER_SHARED_RENDERER_STATE_H_
 
 #include "android_webview/browser/parent_compositor_draw_constraints.h"
 #include "base/cancelable_callback.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 31 matching lines @@
                           bool force_commit);
   scoped_ptr<cc::CompositorFrame> PassCompositorFrame();
   bool ForceCommit() const;
 
   bool IsInsideHardwareRelease() const;
   // Returns true if the draw constraints are updated.
   bool UpdateDrawConstraints(
       const ParentCompositorDrawConstraints& parent_draw_constraints);
   void PostExternalDrawConstraintsToChildCompositor(
       const ParentCompositorDrawConstraints& parent_draw_constraints);
+  void DidSkipCommitFrame();
 
   const ParentCompositorDrawConstraints ParentDrawConstraints() 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;
 
  private:
   friend class InsideHardwareReleaseReset;
   friend class internal::RequestDrawGLTracker;
 
   void ResetRequestDrawGLCallback();
   void ClientRequestDrawGLOnUIThread();
   void UpdateParentDrawConstraintsOnUIThread();
+  void DidSkipCommitFrameOnUIThread();
   void SetInsideHardwareRelease(bool inside);
 
   scoped_refptr<base::MessageLoopProxy> ui_loop_;
   BrowserViewRendererClient* client_on_ui_;
   base::WeakPtr<SharedRendererState> ui_thread_weak_ptr_;
   base::CancelableClosure request_draw_gl_cancelable_closure_;
 
   // Accessed by both UI and RT thread.
   mutable base::Lock lock_;
   gfx::Vector2d scroll_offset_;
@@ skipping 18 matching lines @@
 
  private:
   SharedRendererState* shared_renderer_state_;
 
   DISALLOW_COPY_AND_ASSIGN(InsideHardwareReleaseReset);
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_SHARED_RENDERER_STATE_H_