Revert of cc: Delete all the RendererCapabilities.

cc/trees/proxy.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_PROXY_H_
 #define CC_TREES_PROXY_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 10 matching lines @@
 namespace gfx {
 class Rect;
 class Vector2d;
 }
 
 namespace cc {
 class BeginFrameSource;
 class LayerTreeDebugState;
 class LayerTreeMutator;
 class OutputSurface;
+struct RendererCapabilities;
 
 // Abstract interface responsible for proxying commands from the main-thread
 // side of the compositor over to the compositor implementation.
 class CC_EXPORT Proxy {
  public:
   virtual ~Proxy() {}
 
   virtual bool IsStarted() const = 0;
   virtual bool CommitToActiveTree() const = 0;
 
   // Will call LayerTreeHost::OnCreateAndInitializeOutputSurfaceAttempted
   // with the result of this function.
   virtual void SetOutputSurface(OutputSurface* output_surface) = 0;
 
   virtual void ReleaseOutputSurface() = 0;
 
   virtual void SetVisible(bool visible) = 0;
 
+  virtual const RendererCapabilities& GetRendererCapabilities() const = 0;
+
   virtual void SetNeedsAnimate() = 0;
   virtual void SetNeedsUpdateLayers() = 0;
   virtual void SetNeedsCommit() = 0;
   virtual void SetNeedsRedraw(const gfx::Rect& damage_rect) = 0;
   virtual void SetNextCommitWaitsForActivation() = 0;
 
   virtual void NotifyInputThrottledUntilCommit() = 0;
 
   // Defers commits until it is reset. It is only supported when using a
   // scheduler.
@@ skipping 17 matching lines @@
                                       TopControlsState current,
                                       bool animate) = 0;
 
   // Testing hooks
   virtual bool MainFrameWillHappenForTesting() = 0;
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_PROXY_H_