ipc: Use a global for the process's attachment broker.

content/common/gpu/gpu_channel_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 "content/common/gpu/gpu_channel_manager.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 17 matching lines @@
 #include "ui/gl/gl_share_group.h"
 
 namespace content {
 
 GpuChannelManager::GpuChannelManager(
     IPC::SyncChannel* channel,
     GpuWatchdog* watchdog,
     base::SingleThreadTaskRunner* task_runner,
     base::SingleThreadTaskRunner* io_task_runner,
     base::WaitableEvent* shutdown_event,
-    IPC::AttachmentBroker* broker,
     gpu::SyncPointManager* sync_point_manager,
     GpuMemoryBufferFactory* gpu_memory_buffer_factory)
     : task_runner_(task_runner),
       io_task_runner_(io_task_runner),
       channel_(channel),
       watchdog_(watchdog),
       shutdown_event_(shutdown_event),
       gpu_memory_manager_(
           this,
           GpuMemoryManager::kDefaultMaxSurfacesWithFrontbufferSoftLimit),
       sync_point_manager_(sync_point_manager),
       gpu_memory_buffer_factory_(gpu_memory_buffer_factory),
-      attachment_broker_(broker),
       weak_factory_(this) {
   DCHECK(task_runner);
   DCHECK(io_task_runner);
 }
 
 GpuChannelManager::~GpuChannelManager() {
   // Destroy channels before anything else because of dependencies.
   gpu_channels_.clear();
   if (default_offscreen_surface_.get()) {
     default_offscreen_surface_->Destroy();
@@ skipping 102 matching lines @@
       DCHECK(!mailbox_manager_.get());
       mailbox_manager_ = gpu::gles2::MailboxManager::Create();
     }
     share_group = share_group_.get();
     mailbox_manager = mailbox_manager_.get();
   }
 
   scoped_ptr<GpuChannel> channel = CreateGpuChannel(
       share_group, mailbox_manager, client_id, client_tracing_id,
       allow_future_sync_points, allow_real_time_streams);
-  IPC::ChannelHandle channel_handle =
-      channel->Init(shutdown_event_, attachment_broker_);
+  IPC::ChannelHandle channel_handle = channel->Init(shutdown_event_);
 
   gpu_channels_.set(client_id, channel.Pass());
 
   Send(new GpuHostMsg_ChannelEstablished(channel_handle));
 }
 
 void GpuChannelManager::OnCloseChannel(
     const IPC::ChannelHandle& channel_handle) {
   for (auto it = gpu_channels_.begin(); it != gpu_channels_.end(); ++it) {
     if (it->second->channel_id() == channel_handle.name) {
@@ skipping 98 matching lines @@
 
 gfx::GLSurface* GpuChannelManager::GetDefaultOffscreenSurface() {
   if (!default_offscreen_surface_.get()) {
     default_offscreen_surface_ =
         gfx::GLSurface::CreateOffscreenGLSurface(gfx::Size());
   }
   return default_offscreen_surface_.get();
 }
 
 }  // namespace content