cc: Glue LTHI and Scheduler changes for checker-imaging.

cc/trees/layer_tree_host_impl.h

 // Copyright 2011 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 CC_TREES_LAYER_TREE_HOST_IMPL_H_
 #define CC_TREES_LAYER_TREE_HOST_IMPL_H_
 
 #include <stddef.h>
 
 #include <bitset>
@@ skipping 217 matching lines @@
     bool has_no_damage;
     bool may_contain_video;
 
     // RenderPassSink implementation.
     void AppendRenderPass(std::unique_ptr<RenderPass> render_pass) override;
 
    private:
     DISALLOW_COPY_AND_ASSIGN(FrameData);
   };
 
+  virtual void DidSendBeginMainFrame() {}  // For Tests.

[enne (OOO), 2017/02/24 20:43:57]

I think either name this DidSendBeginMainFrameForTesting (and make this
protected?) or remove the comment?

[Khushal, 2017/02/24 23:19:41]

Done, I added ForTesting there. Can't make it protected because the proxies call
it.

   virtual void BeginMainFrameAborted(
       CommitEarlyOutReason reason,
       std::vector<std::unique_ptr<SwapPromise>> swap_promises);
   virtual void ReadyToCommit() {}  // For tests.
   virtual void BeginCommit();
   virtual void CommitComplete();
   virtual void UpdateAnimationState(bool start_ready_animations);
   bool Mutate(base::TimeTicks monotonic_time);
   void ActivateAnimations();
   void Animate();
   void AnimatePendingTreeAfterCommit();
   void MainThreadHasStoppedFlinging();
   void DidAnimateScrollOffset();
   void SetFullViewportDamage();
   void SetViewportDamage(const gfx::Rect& damage_rect);
 
   // Analogous to a commit, this function is used to create a sync tree and
   // add impl-side invalidations to it.
-  void InvalidateContentOnImplSide();
+  // virtual for testing.
+  virtual void InvalidateContentOnImplSide();
 
   void SetTreeLayerFilterMutated(ElementId element_id,
                                  LayerTreeImpl* tree,
                                  const FilterOperations& filters);
   void SetTreeLayerOpacityMutated(ElementId element_id,
                                   LayerTreeImpl* tree,
                                   float opacity);
   void SetTreeLayerTransformMutated(ElementId element_id,
                                     LayerTreeImpl* tree,
                                     const gfx::Transform& transform);
@@ skipping 44 matching lines @@
   const LayerTreeSettings& settings() const { return settings_; }
 
   // Evict all textures by enforcing a memory policy with an allocation of 0.
   void EvictTexturesForTesting();
 
   // When blocking, this prevents client_->NotifyReadyToActivate() from being
   // called. When disabled, it calls client_->NotifyReadyToActivate()
   // immediately if any notifications had been blocked while blocking.
   virtual void BlockNotifyReadyToActivateForTesting(bool block);
 
+  // Prevents notifying the |client_| when an impl side invalidation request is
+  // made. When unblocked, the disabled request will immediately be called.
+  virtual void BlockImplSideInvalidationRequestsForTesting(bool block);
+
   // Resets all of the trees to an empty state.
   void ResetTreesForTesting();
 
   size_t SourceAnimationFrameNumberForTesting() const;
 
   void RegisterScrollbarAnimationController(int scroll_layer_id);
   void UnregisterScrollbarAnimationController(int scroll_layer_id);
   ScrollbarAnimationController* ScrollbarAnimationControllerForId(
       int scroll_layer_id) const;
 
@@ skipping 502 matching lines @@
 
   std::unique_ptr<PendingTreeDurationHistogramTimer>
       pending_tree_duration_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHostImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_IMPL_H_