Remove parts of //cc we aren't using

cc/trees/thread_proxy.h

Index: cc/trees/thread_proxy.h
diff --git a/cc/trees/thread_proxy.h b/cc/trees/thread_proxy.h
deleted file mode 100644
index 51cc18cd95fc6c89d86f6b48c38cb818ea64a32b..0000000000000000000000000000000000000000
--- a/cc/trees/thread_proxy.h
+++ /dev/null
@@ -1,311 +0,0 @@
-// 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"
-#include "base/memory/weak_ptr.h"
-#include "base/time/time.h"
-#include "cc/animation/animation_events.h"
-#include "cc/base/completion_event.h"
-#include "cc/base/delayed_unique_notifier.h"
-#include "cc/resources/resource_update_controller.h"
-#include "cc/scheduler/commit_earlyout_reason.h"
-#include "cc/scheduler/scheduler.h"
-#include "cc/trees/layer_tree_host_impl.h"
-#include "cc/trees/proxy.h"
-#include "cc/trees/proxy_timing_history.h"
-
-namespace base {
-class SingleThreadTaskRunner;
-}
-
-namespace cc {
-
-class BeginFrameSource;
-class ContextProvider;
-class InputHandlerClient;
-class LayerTreeHost;
-class PrioritizedResourceManager;
-class ResourceUpdateQueue;
-class Scheduler;
-class ScopedThreadProxy;
-
-class CC_EXPORT ThreadProxy : public Proxy,
-                    NON_EXPORTED_BASE(LayerTreeHostImplClient),
-                    NON_EXPORTED_BASE(SchedulerClient),
-                    NON_EXPORTED_BASE(ResourceUpdateControllerClient) {
- public:
-  static scoped_ptr<Proxy> Create(
-      LayerTreeHost* layer_tree_host,
-      scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
-      scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner,
-      scoped_ptr<BeginFrameSource> external_begin_frame_source);
-
-  ~ThreadProxy() override;
-
-  struct BeginMainFrameAndCommitState {
-    BeginMainFrameAndCommitState();
-    ~BeginMainFrameAndCommitState();
-
-    unsigned int begin_frame_id;
-    BeginFrameArgs begin_frame_args;
-    scoped_ptr<ScrollAndScaleSet> scroll_info;
-    size_t memory_allocation_limit_bytes;
-    int memory_allocation_priority_cutoff;
-    bool evicted_ui_resources;
-  };
-
-  struct MainThreadOnly {
-    MainThreadOnly(ThreadProxy* proxy, int layer_tree_host_id);
-    ~MainThreadOnly();
-
-    const int layer_tree_host_id;
-
-    // Set only when SetNeedsAnimate is called.
-    bool animate_requested;
-    // Set only when SetNeedsCommit is called.
-    bool commit_requested;
-    // Set by SetNeedsAnimate, SetNeedsUpdateLayers, and SetNeedsCommit.
-    bool commit_request_sent_to_impl_thread;
-
-    bool started;
-    bool prepare_tiles_pending;
-    bool can_cancel_commit;
-    bool defer_commits;
-
-    RendererCapabilities renderer_capabilities_main_thread_copy;
-
-    base::WeakPtrFactory<ThreadProxy> weak_factory;
-  };
-
-  // Accessed on the main thread, or when main thread is blocked.
-  struct MainThreadOrBlockedMainThread {
-    explicit MainThreadOrBlockedMainThread(LayerTreeHost* host);
-    ~MainThreadOrBlockedMainThread();
-
-    PrioritizedResourceManager* contents_texture_manager();
-
-    LayerTreeHost* layer_tree_host;
-    bool commit_waits_for_activation;
-    bool main_thread_inside_commit;
-  };
-
-  struct CompositorThreadOnly {
-    CompositorThreadOnly(
-        ThreadProxy* proxy,
-        int layer_tree_host_id,
-        RenderingStatsInstrumentation* rendering_stats_instrumentation,
-        scoped_ptr<BeginFrameSource> external_begin_frame_source);
-    ~CompositorThreadOnly();
-
-    const int layer_tree_host_id;
-
-    // Copy of the main thread side contents texture manager for work
-    // that needs to be done on the compositor thread.
-    PrioritizedResourceManager* contents_texture_manager;
-
-    scoped_ptr<Scheduler> scheduler;
-
-    // Set when the main thread is waiting on a
-    // ScheduledActionSendBeginMainFrame to be issued.
-    CompletionEvent* begin_main_frame_sent_completion_event;
-
-    // Set when the main thread is waiting on a commit to complete.
-    CompletionEvent* commit_completion_event;
-
-    // Set when the main thread is waiting on a pending tree activation.
-    CompletionEvent* completion_event_for_commit_held_on_tree_activation;
-
-    scoped_ptr<ResourceUpdateController> current_resource_update_controller;
-
-    // Set when the next draw should post DidCommitAndDrawFrame to the main
-    // thread.
-    bool next_frame_is_newly_committed_frame;
-
-    bool inside_draw;
-
-    bool input_throttled_until_commit;
-
-    base::TimeTicks animation_time;
-
-    // Whether a commit has been completed since the last time animations were
-    // ticked. If this happens, we need to animate again.
-    bool did_commit_after_animating;
-
-    DelayedUniqueNotifier smoothness_priority_expiration_notifier;
-
-    ProxyTimingHistory timing_history;
-
-    scoped_ptr<BeginFrameSource> external_begin_frame_source;
-
-    scoped_ptr<LayerTreeHostImpl> layer_tree_host_impl;
-    base::WeakPtrFactory<ThreadProxy> weak_factory;
-  };
-
-  const MainThreadOnly& main() const;
-  const MainThreadOrBlockedMainThread& blocked_main() const;
-  const CompositorThreadOnly& impl() const;
-
-  // Proxy implementation
-  void FinishAllRendering() override;
-  bool IsStarted() const override;
-  bool CommitToActiveTree() const override;
-  void SetOutputSurface(scoped_ptr<OutputSurface>) override;
-  void SetLayerTreeHostClientReady() override;
-  void SetVisible(bool visible) override;
-  void SetThrottleFrameProduction(bool throttle) override;
-  const RendererCapabilities& GetRendererCapabilities() const override;
-  void SetNeedsAnimate() override;
-  void SetNeedsUpdateLayers() override;
-  void SetNeedsCommit() override;
-  void SetNeedsRedraw(const gfx::Rect& damage_rect) override;
-  void SetNextCommitWaitsForActivation() override;
-  void NotifyInputThrottledUntilCommit() override;
-  void SetDeferCommits(bool defer_commits) override;
-  bool CommitRequested() const override;
-  bool BeginMainFrameRequested() const override;
-  void MainThreadHasStoppedFlinging() override;
-  void Start() override;
-  void Stop() override;
-  size_t MaxPartialTextureUpdates() const override;
-  void ForceSerializeOnSwapBuffers() override;
-  bool SupportsImplScrolling() const override;
-  void SetDebugState(const LayerTreeDebugState& debug_state) override;
-  bool MainFrameWillHappenForTesting() override;
-  void SetChildrenNeedBeginFrames(bool children_need_begin_frames) override;
-
-  // LayerTreeHostImplClient implementation
-  void UpdateRendererCapabilitiesOnImplThread() override;
-  void DidLoseOutputSurfaceOnImplThread() override;
-  void CommitVSyncParameters(base::TimeTicks timebase,
-                             base::TimeDelta interval) override;
-  void SetEstimatedParentDrawTime(base::TimeDelta draw_time) override;
-  void SetMaxSwapsPendingOnImplThread(int max) override;
-  void DidSwapBuffersOnImplThread() override;
-  void DidSwapBuffersCompleteOnImplThread() override;
-  void OnCanDrawStateChanged(bool can_draw) override;
-  void NotifyReadyToActivate() override;
-  void NotifyReadyToDraw() override;
-  // Please call these 3 functions through
-  // LayerTreeHostImpl's SetNeedsRedraw(), SetNeedsRedrawRect() and
-  // SetNeedsAnimate().
-  void SetNeedsRedrawOnImplThread() override;
-  void SetNeedsRedrawRectOnImplThread(const gfx::Rect& dirty_rect) override;
-  void SetNeedsAnimateOnImplThread() override;
-  void SetNeedsPrepareTilesOnImplThread() override;
-  void SetNeedsCommitOnImplThread() override;
-  void PostAnimationEventsToMainThreadOnImplThread(
-      scoped_ptr<AnimationEventsVector> queue) override;
-  bool ReduceContentsTextureMemoryOnImplThread(size_t limit_bytes,
-                                               int priority_cutoff) override;
-  bool IsInsideDraw() override;
-  void RenewTreePriority() override;
-  void PostDelayedAnimationTaskOnImplThread(const base::Closure& task,
-                                            base::TimeDelta delay) override;
-  void DidActivateSyncTree() override;
-  void DidPrepareTiles() override;
-  void DidCompletePageScaleAnimationOnImplThread() override;
-
-  // SchedulerClient implementation
-  void WillBeginImplFrame(const BeginFrameArgs& args) override;
-  void ScheduledActionSendBeginMainFrame() override;
-  DrawResult ScheduledActionDrawAndSwapIfPossible() override;
-  DrawResult ScheduledActionDrawAndSwapForced() override;
-  void ScheduledActionAnimate() override;
-  void ScheduledActionCommit() override;
-  void ScheduledActionActivateSyncTree() override;
-  void ScheduledActionBeginOutputSurfaceCreation() override;
-  void ScheduledActionPrepareTiles() override;
-  void DidAnticipatedDrawTimeChange(base::TimeTicks time) override;
-  base::TimeDelta DrawDurationEstimate() override;
-  base::TimeDelta BeginMainFrameToCommitDurationEstimate() override;
-  base::TimeDelta CommitToActivateDurationEstimate() override;
-  void DidBeginImplFrameDeadline() override;
-  void SendBeginFramesToChildren(const BeginFrameArgs& args) override;
-  void SendBeginMainFrameNotExpectedSoon() override;
-
-  // ResourceUpdateControllerClient implementation
-  void ReadyToFinalizeTextureUpdates() override;
-
- protected:
-  ThreadProxy(
-      LayerTreeHost* layer_tree_host,
-      scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
-      scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner,
-      scoped_ptr<BeginFrameSource> external_begin_frame_source);
-
- private:
-  // Called on main thread.
-  void SetRendererCapabilitiesMainThreadCopy(
-      const RendererCapabilities& capabilities);
-  void BeginMainFrame(
-      scoped_ptr<BeginMainFrameAndCommitState> begin_main_frame_state);
-  void BeginMainFrameNotExpectedSoon();
-  void DidCommitAndDrawFrame();
-  void DidCompleteSwapBuffers();
-  void SetAnimationEvents(scoped_ptr<AnimationEventsVector> queue);
-  void DidLoseOutputSurface();
-  void RequestNewOutputSurface();
-  void DidInitializeOutputSurface(bool success,
-                                  const RendererCapabilities& capabilities);
-  void SendCommitRequestToImplThreadIfNeeded();
-  void DidCompletePageScaleAnimation();
-
-  // Called on impl thread.
-  struct SchedulerStateRequest;
-
-  void StartCommitOnImplThread(CompletionEvent* completion,
-                               ResourceUpdateQueue* queue);
-  void BeginMainFrameAbortedOnImplThread(CommitEarlyOutReason reason);
-  void FinishAllRenderingOnImplThread(CompletionEvent* completion);
-  void InitializeImplOnImplThread(CompletionEvent* completion);
-  void SetLayerTreeHostClientReadyOnImplThread();
-  void SetVisibleOnImplThread(CompletionEvent* completion, bool visible);
-  void SetThrottleFrameProductionOnImplThread(bool throttle);
-  void HasInitializedOutputSurfaceOnImplThread(
-      CompletionEvent* completion,
-      bool* has_initialized_output_surface);
-  void DeleteContentsTexturesOnImplThread(CompletionEvent* completion);
-  void InitializeOutputSurfaceOnImplThread(
-      scoped_ptr<OutputSurface> output_surface);
-  void FinishGLOnImplThread(CompletionEvent* completion);
-  void LayerTreeHostClosedOnImplThread(CompletionEvent* completion);
-  DrawResult DrawSwapInternal(bool forced_draw);
-  void ForceSerializeOnSwapBuffersOnImplThread(CompletionEvent* completion);
-  void MainFrameWillHappenOnImplThreadForTesting(CompletionEvent* completion,
-                                                 bool* main_frame_will_happen);
-  void SetSwapUsedIncompleteTileOnImplThread(bool used_incomplete_tile);
-  void MainThreadHasStoppedFlingingOnImplThread();
-  void SetInputThrottledUntilCommitOnImplThread(bool is_throttled);
-  void SetDebugStateOnImplThread(const LayerTreeDebugState& debug_state);
-  void SetDeferCommitsOnImplThread(bool defer_commits) const;
-
-  LayerTreeHost* layer_tree_host();
-  const LayerTreeHost* layer_tree_host() const;
-
-  // Use accessors instead of this variable directly.
-  MainThreadOnly main_thread_only_vars_unsafe_;
-  MainThreadOnly& main();
-
-  // Use accessors instead of this variable directly.
-  MainThreadOrBlockedMainThread main_thread_or_blocked_vars_unsafe_;
-  MainThreadOrBlockedMainThread& blocked_main();
-
-  // Use accessors instead of this variable directly.
-  CompositorThreadOnly compositor_thread_vars_unsafe_;
-  CompositorThreadOnly& impl();
-
-  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_