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

ui/gl/trace_util.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/trace_util.h"
 
 #include "base/format_macros.h"
 #include "base/strings/stringprintf.h"
 
-namespace gfx {
+namespace gl {
 
 base::trace_event::MemoryAllocatorDumpGuid GetGLTextureClientGUIDForTracing(
     uint64_t share_group_guid,
     uint32_t texture_id) {
   return base::trace_event::MemoryAllocatorDumpGuid(
       base::StringPrintf("gl-texture-client-x-process/%" PRIx64 "/%d",
                          share_group_guid, texture_id));
 }
 
 base::trace_event::MemoryAllocatorDumpGuid GetGLTextureServiceGUIDForTracing(
@@ skipping 13 matching lines @@
 
 base::trace_event::MemoryAllocatorDumpGuid GetGLRenderbufferGUIDForTracing(
     uint64_t share_group_guid,
     uint32_t renderbuffer_id) {
   return base::trace_event::MemoryAllocatorDumpGuid(
       base::StringPrintf("gl-renderbuffer-x-process/%" PRIx64 "/%d",
                          share_group_guid, renderbuffer_id));
 }
 
 }  // namespace ui