Move code in ui/gl/* from gfx:: to gl::

ui/gl/gpu_timing.cc

 // Copyright (c) 2015 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 "ui/gl/gpu_timing.h"
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/time/time.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_version_info.h"
 
-namespace gfx {
+namespace gl {
 
 class TimeElapsedTimerQuery;
 class TimerQuery;
 
 int64_t NanoToMicro(uint64_t nano_seconds) {
   const uint64_t up = nano_seconds + base::Time::kNanosecondsPerMicrosecond / 2;
   return static_cast<int64_t>(up / base::Time::kNanosecondsPerMicrosecond);
 }
 
 int32_t QueryTimestampBits() {
@@ skipping 634 matching lines @@
 }
 
 void GPUTimingClient::ForceTimeElapsedQuery() {
   DCHECK(gpu_timing_);
   gpu_timing_->ForceTimeElapsedQuery();
 }
 
 GPUTimingClient::~GPUTimingClient() {
 }
 
-}  // namespace gfx
+}  // namespace gl