gpu: Generate mailboxes on client side

content/renderer/pepper/pepper_platform_context_3d.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/renderer/pepper/pepper_platform_context_3d.h"
 
 #include "base/bind.h"
 #include "content/common/gpu/client/context_provider_command_buffer.h"
 #include "content/common/gpu/client/gpu_channel_host.h"
 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
@@ skipping 82 matching lines @@
   command_buffer_ = channel_->CreateOffscreenCommandBuffer(
       surface_size,
       share_buffer,
       attribs,
       GURL::EmptyGURL(),
       gpu_preference);
   if (!command_buffer_)
     return false;
   if (!command_buffer_->Initialize())
     return false;
-  std::vector<gpu::Mailbox> names;
-  if (!command_buffer_->GenerateMailboxNames(1, &names))
+  gpu::Mailbox mailbox = gpu::Mailbox::Generate();
+  if (!command_buffer_->ProduceFrontBuffer(mailbox))
     return false;
-  DCHECK_EQ(names.size(), 1u);
-  if (!command_buffer_->ProduceFrontBuffer(names[0]))
-    return false;
-  mailbox_ = names[0];
+  mailbox_ = mailbox;
 
   command_buffer_->SetChannelErrorCallback(
       base::Bind(&PlatformContext3D::OnContextLost,
                  weak_ptr_factory_.GetWeakPtr()));
   command_buffer_->SetOnConsoleMessageCallback(
       base::Bind(&PlatformContext3D::OnConsoleMessage,
                  weak_ptr_factory_.GetWeakPtr()));
 
   return true;
 }
@@ skipping 41 matching lines @@
 }
 
 void PlatformContext3D::OnConsoleMessage(const std::string& msg, int id) {
   DCHECK(command_buffer_);
 
   if (!console_message_callback_.is_null())
     console_message_callback_.Run(msg, id);
 }
 
 }  // namespace content