Relands the following. First attempt was reverted because it broke

ui/gfx/gl/gl_context.cc

 // Copyright (c) 2011 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 <string>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/threading/thread_local.h"
@@ skipping 51 matching lines @@
   std::string delimited_name(name);
   delimited_name += " ";
 
   return extensions.find(delimited_name) != std::string::npos;
 }
 
 GLShareGroup* GLContext::share_group() {
   return share_group_.get();
 }
 
-bool GLContext::LosesAllContextsOnContextLost()
-{
+bool GLContext::LosesAllContextsOnContextLost() {
   switch (GetGLImplementation()) {
     case kGLImplementationDesktopGL:
       return false;
     case kGLImplementationEGLGLES2:
       return true;
     case kGLImplementationOSMesaGL:
       return false;
     case kGLImplementationMockGL:
       return false;
     default:
@@ skipping 20 matching lines @@
   static bool initialized = false;
   if (initialized)
     return initialized;
   initialized = InitializeGLExtensionBindings(GetGLImplementation(), this);
   if (!initialized)
     LOG(ERROR) << "Could not initialize extension bindings.";
   return initialized;
 }
 
 }  // namespace gfx