Refactor GL bindings so there is no global GLApi or DriverGL.

gpu/ipc/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/ipc/in_process_command_buffer.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <queue>
@@ skipping 148 matching lines @@
 scoped_refptr<gles2::MailboxManager>
 InProcessCommandBuffer::Service::mailbox_manager() {
   if (!mailbox_manager_.get()) {
     mailbox_manager_ = gles2::MailboxManager::Create(gpu_preferences());
   }
   return mailbox_manager_;
 }
 
 gpu::gles2::ProgramCache* InProcessCommandBuffer::Service::program_cache() {
   if (!program_cache_.get() &&
-      (gl::g_driver_gl.ext.b_GL_ARB_get_program_binary ||
-       gl::g_driver_gl.ext.b_GL_OES_get_program_binary) &&
+      (gl::g_current_gl_driver->ext.b_GL_ARB_get_program_binary ||
+       gl::g_current_gl_driver->ext.b_GL_OES_get_program_binary) &&
       !gpu_preferences().disable_gpu_program_cache) {
     const GpuDriverBugWorkarounds& workarounds = gpu_driver_bug_workarounds_;
     bool disable_disk_cache =
         gpu_preferences_.disable_gpu_shader_disk_cache ||
         workarounds.disable_program_disk_cache;
     program_cache_.reset(new gles2::MemoryProgramCache(
         gpu_preferences_.gpu_program_cache_size,
         disable_disk_cache,
         workarounds.disable_program_caching_for_transform_feedback));
   }
@@ skipping 987 matching lines @@
   return wrapped_callback;
 }
 
 InProcessCommandBuffer::GpuTask::GpuTask(const base::Closure& callback,
                                          uint32_t order_number)
     : callback(callback), order_number(order_number) {}
 
 InProcessCommandBuffer::GpuTask::~GpuTask() {}
 
 }  // namespace gpu