gpu: Generate mailboxes on client side

gpu/command_buffer/service/gles2_cmd_decoder_unittest.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/gles2_cmd_decoder.h"
 
 #include "base/command_line.h"
 #include "base/strings/string_number_conversions.h"
 #include "gpu/command_buffer/common/gles2_cmd_format.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
@@ skipping 7053 matching lines @@
   EndQueryEXT end_cmd;
   end_cmd.Init(GL_GET_ERROR_QUERY_CHROMIUM, 1);
   EXPECT_EQ(error::kNoError, ExecuteCmd(end_cmd));
   EXPECT_EQ(GL_NO_ERROR, GetGLError());
   EXPECT_FALSE(query->pending());
   EXPECT_EQ(static_cast<GLenum>(GL_INVALID_VALUE),
             static_cast<GLenum>(sync->result));
 }
 
 TEST_F(GLES2DecoderTest, ProduceAndConsumeTextureCHROMIUM) {
-  Mailbox mailbox;
-  group().mailbox_manager()->GenerateMailbox(&mailbox);
+  Mailbox mailbox = Mailbox::Generate();
 
   memcpy(shared_memory_address_, mailbox.name, sizeof(mailbox.name));
 
   DoBindTexture(GL_TEXTURE_2D, client_texture_id_, kServiceTextureId);
   DoTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 3, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
                0, 0);
   DoTexImage2D(GL_TEXTURE_2D, 1, GL_RGBA, 2, 4, 0, GL_RGBA, GL_UNSIGNED_BYTE,
                0, 0);
   TextureRef* texture_ref = group().texture_manager()->GetTexture(
       client_texture_id_);
@@ skipping 1918 matching lines @@
 // TODO(gman): TexImage2DImmediate
 
 // TODO(gman): TexSubImage2DImmediate
 
 // TODO(gman): UseProgram
 
 // TODO(gman): SwapBuffers
 
 }  // namespace gles2
 }  // namespace gpu