Ping watchdog thread during GpuChannel destruction

gpu/command_buffer/service/program_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_PROGRAM_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_PROGRAM_MANAGER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 13 matching lines @@
 
 namespace gpu {
 
 struct GpuPreferences;
 
 namespace gles2 {
 
 class FeatureInfo;
 class ProgramCache;
 class ProgramManager;
+class ProgressReporter;
 class Shader;
 class ShaderManager;
 
 // This is used to track which attributes a particular program needs
 // so we can verify at glDrawXXX time that every attribute is either disabled
 // or if enabled that it points to a valid source.
 class GPU_EXPORT Program : public base::RefCounted<Program> {
  public:
   static const int kMaxAttachedShaders = 2;
 
@@ skipping 547 matching lines @@
 // NOTE: To support shared resources an instance of this class will
 // need to be shared by multiple GLES2Decoders.
 class GPU_EXPORT ProgramManager {
  public:
   ProgramManager(ProgramCache* program_cache,
                  uint32_t max_varying_vectors,
                  uint32_t max_draw_buffers,
                  uint32_t max_dual_source_draw_buffers,
                  uint32_t max_vertex_attribs,
                  const GpuPreferences& gpu_preferences,
-                 FeatureInfo* feature_info);
+                 FeatureInfo* feature_info,
+                 ProgressReporter* progress_reporter);
   ~ProgramManager();
 
   // Must call before destruction.
   void Destroy(bool have_context);
 
   // Creates a new program.
   Program* CreateProgram(GLuint client_id, GLuint service_id);
 
   // Gets a program.
   Program* GetProgram(GLuint client_id);
@@ skipping 61 matching lines @@
   ProgramCache* program_cache_;
 
   uint32_t max_varying_vectors_;
   uint32_t max_draw_buffers_;
   uint32_t max_dual_source_draw_buffers_;
   uint32_t max_vertex_attribs_;
 
   const GpuPreferences& gpu_preferences_;
   scoped_refptr<FeatureInfo> feature_info_;
 
+  // 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(ProgramManager);
 };
 
 inline const FeatureInfo& Program::feature_info() const {
   return *manager_->feature_info_.get();
 }
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_PROGRAM_MANAGER_H_