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

gpu/ipc/service/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 "gpu/ipc/service/gpu_channel_manager.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 66 matching lines @@
   // Destroy channels before anything else because of dependencies.
   gpu_channels_.clear();
   if (default_offscreen_surface_.get()) {
     default_offscreen_surface_->Destroy();
     default_offscreen_surface_ = NULL;
   }
 }
 
 gles2::ProgramCache* GpuChannelManager::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) &&
       !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 187 matching lines @@
     }
   }
   if (!stub || !stub->decoder()->MakeCurrent())
     return;
   glFinish();
   DidAccessGpu();
 }
 #endif
 
 }  // namespace gpu