Remove OutputSurfaceClient external clip

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 361 matching lines @@
       const gfx::Transform& transform) override;
   void DidLoseOutputSurface() override;
   void DidSwapBuffersComplete() override;
   void DidReceiveTextureInUseResponses(
       const gpu::TextureInUseResponses& responses) override;
   void ReclaimResources(const ReturnedResourceArray& resources) override;
   void SetMemoryPolicy(const ManagedMemoryPolicy& policy) override;
   void SetTreeActivationCallback(const base::Closure& callback) override;
   void OnDraw(const gfx::Transform& transform,
               const gfx::Rect& viewport,
-              const gfx::Rect& clip,
               bool resourceless_software_draw) override;
 
   // LayerTreeMutatorClient.
   void SetNeedsMutate() override;
 
   // Called from LayerTreeImpl.
   void OnCanDrawStateChangedForTree();
 
   // Implementation.
   int id() const { return id_; }
@@ skipping 170 matching lines @@
   gfx::Vector2dF ComputeScrollDelta(ScrollNode* scroll_node,
                                     const gfx::Vector2dF& delta);
 
   void ScheduleMicroBenchmark(std::unique_ptr<MicroBenchmarkImpl> benchmark);
 
   CompositorFrameMetadata MakeCompositorFrameMetadata() const;
   // Viewport rectangle and clip in nonflipped window space.  These rects
   // should only be used by Renderer subclasses to populate glViewport/glClip
   // and their software-mode equivalents.
   gfx::Rect DeviceViewport() const;
-  gfx::Rect DeviceClip() const;
 
   // When a SwapPromiseMonitor is created on the impl thread, it calls
   // InsertSwapPromiseMonitor() to register itself with LayerTreeHostImpl.
   // When the monitor is destroyed, it calls RemoveSwapPromiseMonitor()
   // to unregister itself.
   void InsertSwapPromiseMonitor(SwapPromiseMonitor* monitor);
   void RemoveSwapPromiseMonitor(SwapPromiseMonitor* monitor);
 
   // TODO(weiliangc): Replace RequiresHighResToDraw with scheduler waits for
   // ReadyToDraw. crbug.com/469175
@@ skipping 220 matching lines @@
   // Viewport size passed in from the main thread, in physical pixels.  This
   // value is the default size for all concepts of physical viewport (draw
   // viewport, scrolling viewport and device viewport), but it can be
   // overridden.
   gfx::Size device_viewport_size_;
 
   // Optional top-level constraints that can be set by the OutputSurface.
   // - external_transform_ applies a transform above the root layer
   // - external_viewport_ is used DrawProperties, tile management and
   // glViewport/window projection matrix.
-  // - external_clip_ specifies a top-level clip rect
   // - viewport_rect_for_tile_priority_ is the rect in view space used for
   // tiling priority.
   gfx::Transform external_transform_;
   gfx::Rect external_viewport_;
-  gfx::Rect external_clip_;
   gfx::Rect viewport_rect_for_tile_priority_;
   bool resourceless_software_draw_;
 
   gfx::Rect viewport_damage_rect_;
 
   std::unique_ptr<AnimationHost> animation_host_;
   std::set<VideoFrameController*> video_frame_controllers_;
 
   // Map from scroll layer ID to scrollbar animation controller.
   // There is one animation controller per pair of overlay scrollbars.
@@ skipping 24 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_