Free worker context resources on idle.

cc/test/test_context_support.h

 // Copyright 2013 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_TEST_TEST_CONTEXT_SUPPORT_H_
 #define CC_TEST_TEST_CONTEXT_SUPPORT_H_
 
 #include <stdint.h>
 
 #include <set>
@@ skipping 29 matching lines @@
                             const gfx::Rect& display_bounds,
                             const gfx::RectF& uv_rect) override;
   uint64_t ShareGroupTracingGUID() const override;
   void SetErrorMessageCallback(
       const base::Callback<void(const char*, int32_t)>& callback) override;
   std::unique_ptr<ScopedVisibility> ClientBecameVisible() override;
   void ClientBecameNotVisible(
       std::unique_ptr<ScopedVisibility> visibility) override;
   bool AnyClientsVisible() const override;
 
+  std::unique_ptr<ScopedBusy> ClientBecameBusy() override;
+  void ClientBecameNotBusy(std::unique_ptr<ScopedBusy> busy) override;
+  void SetIdleCallback(const base::Closure& callback) override;
+
   void CallAllSyncPointCallbacks();
 
   typedef base::Callback<void(int plane_z_order,
                               gfx::OverlayTransform plane_transform,
                               unsigned overlay_texture_id,
                               const gfx::Rect& display_bounds,
                               const gfx::RectF& crop_rect)>
       ScheduleOverlayPlaneCallback;
   void SetScheduleOverlayPlaneCallback(
       const ScheduleOverlayPlaneCallback& schedule_overlay_plane_callback);
@@ skipping 11 matching lines @@
   uint32_t num_visible_clients_ = 0;
 
   base::WeakPtrFactory<TestContextSupport> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TestContextSupport);
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_TEST_CONTEXT_SUPPORT_H_