cc: Add testing stubs for proxy test

cc/trees/thread_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_THREAD_PROXY_H_
 #define CC_TREES_THREAD_PROXY_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 12 matching lines @@
 }
 
 namespace cc {
 
 class ContextProvider;
 class InputHandlerClient;
 class LayerTreeHost;
 class ResourceUpdateQueue;
 class Scheduler;
 class ScopedThreadProxy;
+class ThreadProxyTestAPI;
 
-class ThreadProxy : public Proxy,
+class CC_EXPORT ThreadProxy : public Proxy,
                     LayerTreeHostImplClient,
                     SchedulerClient,
                     ResourceUpdateControllerClient {
  public:
   static scoped_ptr<Proxy> Create(
       LayerTreeHost* layer_tree_host,
       scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner);
 
   virtual ~ThreadProxy();
 
@@ skipping 70 matching lines @@
   virtual void ScheduledActionManageTiles() OVERRIDE;
   virtual void DidAnticipatedDrawTimeChange(base::TimeTicks time) OVERRIDE;
   virtual base::TimeDelta DrawDurationEstimate() OVERRIDE;
   virtual base::TimeDelta BeginMainFrameToCommitDurationEstimate() OVERRIDE;
   virtual base::TimeDelta CommitToActivateDurationEstimate() OVERRIDE;
   virtual void DidBeginImplFrameDeadline() OVERRIDE;
 
   // ResourceUpdateControllerClient implementation
   virtual void ReadyToFinalizeTextureUpdates() OVERRIDE;
 
- private:
+ protected:
   ThreadProxy(LayerTreeHost* layer_tree_host,
               scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner);
 
+ private:
+  friend class ThreadProxyTestAPI;
+
   struct BeginMainFrameAndCommitState {
     BeginMainFrameAndCommitState();
     ~BeginMainFrameAndCommitState();
 
     base::TimeTicks monotonic_frame_begin_time;
     scoped_ptr<ScrollAndScaleSet> scroll_info;
     size_t memory_allocation_limit_bytes;
     int memory_allocation_priority_cutoff;
     bool evicted_ui_resources;
   };
@@ skipping 167 matching lines @@
 
   base::WeakPtr<ThreadProxy> main_thread_weak_ptr_;
   base::WeakPtr<ThreadProxy> impl_thread_weak_ptr_;
 
   DISALLOW_COPY_AND_ASSIGN(ThreadProxy);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_THREAD_PROXY_H_