gpu: Generate mailboxes on client side

cc/test/test_web_graphics_context_3d.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 "cc/test/test_web_graphics_context_3d.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 34 matching lines @@
 
 // static
 scoped_ptr<TestWebGraphicsContext3D> TestWebGraphicsContext3D::Create() {
   return make_scoped_ptr(new TestWebGraphicsContext3D());
 }
 
 TestWebGraphicsContext3D::TestWebGraphicsContext3D()
     : context_id_(s_context_id++),
       times_bind_texture_succeeds_(-1),
       times_end_query_succeeds_(-1),
-      times_gen_mailbox_succeeds_(-1),
       context_lost_(false),
       times_map_image_chromium_succeeds_(-1),
       times_map_buffer_chromium_succeeds_(-1),
       next_program_id_(1000),
       next_shader_id_(2000),
       max_texture_size_(2048),
       reshape_called_(false),
       width_(0),
       height_(0),
       scale_factor_(-1.f),
@@ skipping 355 matching lines @@
       range[1] = 62;
       *precision = 16;
       break;
     default:
       NOTREACHED();
       break;
   }
 }
 
 void TestWebGraphicsContext3D::genMailboxCHROMIUM(GLbyte* mailbox) {
-  if (times_gen_mailbox_succeeds_ >= 0) {
-    if (!times_gen_mailbox_succeeds_) {
-      loseContextCHROMIUM(GL_GUILTY_CONTEXT_RESET_ARB,
-                          GL_INNOCENT_CONTEXT_RESET_ARB);
-    }
-    --times_gen_mailbox_succeeds_;
-  }
-  if (context_lost_) {
-    memset(mailbox, 0, GL_MAILBOX_SIZE_CHROMIUM);
-    return;
-  }
-
   static char mailbox_name1 = '1';
   static char mailbox_name2 = '1';
   mailbox[0] = mailbox_name1;
   mailbox[1] = mailbox_name2;
   mailbox[2] = '\0';
   if (++mailbox_name1 == 0) {
     mailbox_name1 = '1';
     ++mailbox_name2;
   }
 }
@@ skipping 292 matching lines @@
 
 TestWebGraphicsContext3D::Buffer::Buffer() : target(0), size(0) {}
 
 TestWebGraphicsContext3D::Buffer::~Buffer() {}
 
 TestWebGraphicsContext3D::Image::Image() {}
 
 TestWebGraphicsContext3D::Image::~Image() {}
 
 }  // namespace cc