Ping watchdog thread during GpuChannel destruction

gpu/command_buffer/service/texture_manager.cc

 // 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.
 
 #include "gpu/command_buffer/service/texture_manager.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <set>
 #include <utility>
 
 #include "base/bits.h"
 #include "base/format_macros.h"
 #include "base/lazy_instance.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/stringprintf.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/trace_event/memory_dump_manager.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/service/context_state.h"
 #include "gpu/command_buffer/service/error_state.h"
 #include "gpu/command_buffer/service/feature_info.h"
 #include "gpu/command_buffer/service/framebuffer_manager.h"
 #include "gpu/command_buffer/service/gl_stream_texture_image.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 #include "gpu/command_buffer/service/mailbox_manager.h"
 #include "gpu/command_buffer/service/memory_tracking.h"
+#include "gpu/command_buffer/service/progress_reporter.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_state_restorer.h"
 #include "ui/gl/gl_version_info.h"
 #include "ui/gl/trace_util.h"
 
 namespace gpu {
 namespace gles2 {
 
 namespace {
@@ skipping 312 matching lines @@
   CHECK_EQ(texture_count_, 0u);
 
   DCHECK_EQ(0, num_unsafe_textures_);
   DCHECK_EQ(0, num_uncleared_mips_);
   DCHECK_EQ(0, num_images_);
 
   base::trace_event::MemoryDumpManager::GetInstance()->UnregisterDumpProvider(
       this);
 }
 
-void TextureManager::Destroy(bool have_context) {
+void TextureManager::Destroy(bool have_context,
+                             ProgressReporter* progress_reporter) {
+  DCHECK(progress_reporter);
   have_context_ = have_context;
-  textures_.clear();
+
+  while (!textures_.empty()) {
+    textures_.erase(textures_.begin());
+    progress_reporter->ReportProgress();
+  }
   for (int ii = 0; ii < kNumDefaultTextures; ++ii) {
     default_textures_[ii] = NULL;
+    progress_reporter->ReportProgress();
   }
 
   if (have_context) {
     glDeleteTextures(arraysize(black_texture_ids_), black_texture_ids_);
   }
 
   DCHECK_EQ(0u, memory_type_tracker_->GetMemRepresented());
 }
 
 TextureBase::TextureBase(GLuint service_id)
@@ skipping 3090 matching lines @@
 uint32_t TextureManager::GetServiceIdGeneration() const {
   return current_service_id_generation_;
 }
 
 void TextureManager::IncrementServiceIdGeneration() {
   current_service_id_generation_++;
 }
 
 }  // namespace gles2
 }  // namespace gpu