Remove parts of //cc we aren't using

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 <string>
-
-#include "base/basictypes.h"
-#include "base/logging.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/threading/platform_thread.h"
-#include "base/time/time.h"
-#include "base/values.h"
-#include "cc/base/cc_export.h"
-
-namespace base {
-namespace trace_event {
-class TracedValue;
-}
-class SingleThreadTaskRunner;
-}
-
-namespace gfx {
-class Rect;
-class Vector2d;
-}
-
-namespace cc {
-class BlockingTaskRunner;
-class LayerTreeDebugState;
-class OutputSurface;
-struct RendererCapabilities;
-
-// Abstract class responsible for proxying commands from the main-thread side of
-// the compositor over to the compositor implementation.
-class CC_EXPORT Proxy {
- public:
-  base::SingleThreadTaskRunner* MainThreadTaskRunner() const;
-  bool HasImplThread() const;
-  base::SingleThreadTaskRunner* ImplThreadTaskRunner() const;
-
-  // Debug hooks.
-  bool IsMainThread() const;
-  bool IsImplThread() const;
-  bool IsMainThreadBlocked() const;
-#if DCHECK_IS_ON()
-  void SetMainThreadBlocked(bool is_main_thread_blocked);
-  void SetCurrentThreadIsImplThread(bool is_impl_thread);
-#endif
-
-  virtual ~Proxy();
-
-  virtual void FinishAllRendering() = 0;
-
-  virtual bool IsStarted() const = 0;
-  virtual bool CommitToActiveTree() const = 0;
-
-  // Will call LayerTreeHost::OnCreateAndInitializeOutputSurfaceAttempted
-  // with the result of this function.
-  virtual void SetOutputSurface(scoped_ptr<OutputSurface> output_surface) = 0;
-
-  // Indicates that the compositing surface associated with our context is
-  // ready to use.
-  virtual void SetLayerTreeHostClientReady() = 0;
-
-  virtual void SetVisible(bool visible) = 0;
-
-  virtual void SetThrottleFrameProduction(bool throttle) = 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.
-  virtual void SetDeferCommits(bool defer_commits) = 0;
-
-  virtual void MainThreadHasStoppedFlinging() = 0;
-
-  virtual bool CommitRequested() const = 0;
-  virtual bool BeginMainFrameRequested() const = 0;
-
-  // Must be called before using the proxy.
-  virtual void Start() = 0;
-  virtual void Stop() = 0;   // Must be called before deleting the proxy.
-
-  // Forces 3D commands on all contexts to wait for all previous SwapBuffers
-  // to finish before executing in the GPU process.
-  virtual void ForceSerializeOnSwapBuffers() = 0;
-
-  // Maximum number of sub-region texture updates supported for each commit.
-  virtual size_t MaxPartialTextureUpdates() const = 0;
-
-  virtual bool SupportsImplScrolling() const = 0;
-
-  virtual void SetDebugState(const LayerTreeDebugState& debug_state) = 0;
-
-  virtual void SetChildrenNeedBeginFrames(bool children_need_begin_frames) = 0;
-
-  // Testing hooks
-  virtual bool MainFrameWillHappenForTesting() = 0;
-
-  BlockingTaskRunner* blocking_main_thread_task_runner() const {
-    return blocking_main_thread_task_runner_.get();
-  }
-
- protected:
-  Proxy(scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
-        scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner);
-  friend class DebugScopedSetImplThread;
-  friend class DebugScopedSetMainThread;
-  friend class DebugScopedSetMainThreadBlocked;
-
- private:
-  scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
-  scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner_;
-  scoped_ptr<BlockingTaskRunner> blocking_main_thread_task_runner_;
-
-#if DCHECK_IS_ON()
-  const base::PlatformThreadId main_thread_id_;
-  bool impl_thread_is_overridden_;
-  bool is_main_thread_blocked_;
-#endif
-
-  DISALLOW_COPY_AND_ASSIGN(Proxy);
-};
-
-#if DCHECK_IS_ON()
-class DebugScopedSetMainThreadBlocked {
- public:
-  explicit DebugScopedSetMainThreadBlocked(Proxy* proxy) : proxy_(proxy) {
-    DCHECK(!proxy_->IsMainThreadBlocked());
-    proxy_->SetMainThreadBlocked(true);
-  }
-  ~DebugScopedSetMainThreadBlocked() {
-    DCHECK(proxy_->IsMainThreadBlocked());
-    proxy_->SetMainThreadBlocked(false);
-  }
- private:
-  Proxy* proxy_;
-  DISALLOW_COPY_AND_ASSIGN(DebugScopedSetMainThreadBlocked);
-};
-#else
-class DebugScopedSetMainThreadBlocked {
- public:
-  explicit DebugScopedSetMainThreadBlocked(Proxy* proxy) {}
-  ~DebugScopedSetMainThreadBlocked() {}
- private:
-  DISALLOW_COPY_AND_ASSIGN(DebugScopedSetMainThreadBlocked);
-};
-#endif
-
-}  // namespace cc
-
-#endif  // CC_TREES_PROXY_H_