Ping watchdog thread during GpuChannel destruction

gpu/command_buffer/service/texture_manager.h

 // Copyright (c) 2012 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 GPU_COMMAND_BUFFER_SERVICE_TEXTURE_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_TEXTURE_MANAGER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 20 matching lines @@
 
 class GLES2Decoder;
 class GLStreamTextureImage;
 struct ContextState;
 struct DecoderFramebufferState;
 class Display;
 class ErrorState;
 class FeatureInfo;
 class FramebufferManager;
 class MailboxManager;
+class ProgressReporter;
 class Texture;
 class TextureManager;
 class TextureRef;
 
 class GPU_EXPORT TextureBase {
  public:
   explicit TextureBase(GLuint service_id);
   virtual ~TextureBase();
 
   // The service side OpenGL id of the texture.
@@ skipping 707 matching lines @@
     kNumDefaultTextures
   };
 
   TextureManager(MemoryTracker* memory_tracker,
                  FeatureInfo* feature_info,
                  GLsizei max_texture_size,
                  GLsizei max_cube_map_texture_size,
                  GLsizei max_rectangle_texture_size,
                  GLsizei max_3d_texture_size,
                  GLsizei max_array_texture_layers,
-                 bool use_default_textures);
+                 bool use_default_textures,
+                 ProgressReporter* progress_reporter);
   ~TextureManager() override;
 
   void set_framebuffer_manager(FramebufferManager* manager) {
     framebuffer_manager_ = manager;
   }
 
   // Init the texture manager.
   bool Initialize();
 
   // Must call before destruction.
@@ skipping 449 matching lines @@
   // TextureInfos are only for textures the client side can access.
   GLuint black_texture_ids_[kNumDefaultTextures];
 
   // The default textures for each target (texture name = 0)
   scoped_refptr<TextureRef> default_textures_[kNumDefaultTextures];
 
   std::vector<DestructionObserver*> destruction_observers_;
 
   uint32_t current_service_id_generation_;
 
+  // Used to notify the watchdog thread of progress during destruction,
+  // preventing time-outs when destruction takes a long time.
+  ProgressReporter* progress_reporter_;
+
   DISALLOW_COPY_AND_ASSIGN(TextureManager);
 };
 
 // This class records texture upload time when in scope.
 class ScopedTextureUploadTimer {
  public:
   explicit ScopedTextureUploadTimer(DecoderTextureState* texture_state);
   ~ScopedTextureUploadTimer();
 
  private:
   DecoderTextureState* texture_state_;
   base::TimeTicks begin_time_;
   DISALLOW_COPY_AND_ASSIGN(ScopedTextureUploadTimer);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_TEXTURE_MANAGER_H_