Provide task runner to GLES2Impl / CommandBuffer at creation

gpu/command_buffer/service/in_process_command_buffer.cc

 // 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.
 
 #include "gpu/command_buffer/service/in_process_command_buffer.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <queue>
@@ skipping 236 matching lines @@
   executor_->PutChanged();
 }
 
 bool InProcessCommandBuffer::Initialize(
     scoped_refptr<gl::GLSurface> surface,
     bool is_offscreen,
     gfx::AcceleratedWidget window,
     const gles2::ContextCreationAttribHelper& attribs,
     InProcessCommandBuffer* share_group,
     GpuMemoryBufferManager* gpu_memory_buffer_manager,
-    ImageFactory* image_factory) {
+    ImageFactory* image_factory,
+    scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
   DCHECK(!share_group || service_.get() == share_group->service_.get());
 
   if (surface) {
+    // If a surface is provided, we are running in a webview and should not have
+    // a task runner.
+    DCHECK(!task_runner);
+
     // GPU thread must be the same as client thread due to GLSurface not being
     // thread safe.
     sequence_checker_.reset(new base::SequenceChecker);
     surface_ = surface;
   } else {
-    origin_task_runner_ = base::ThreadTaskRunnerHandle::Get();
+    origin_task_runner_ = std::move(task_runner);
     client_thread_weak_ptr_ = client_thread_weak_ptr_factory_.GetWeakPtr();
   }
 
   gpu::Capabilities capabilities;
   InitializeOnGpuThreadParams params(is_offscreen, window, attribs,
                                      &capabilities, share_group, image_factory);
 
   base::Callback<bool(void)> init_task =
       base::Bind(&InProcessCommandBuffer::InitializeOnGpuThread,
                  base::Unretained(this), params);
@@ skipping 777 matching lines @@
     framebuffer_completeness_cache_ =
         new gpu::gles2::FramebufferCompletenessCache;
   return framebuffer_completeness_cache_;
 }
 
 SyncPointManager* GpuInProcessThread::sync_point_manager() {
   return sync_point_manager_;
 }
 
 }  // namespace gpu