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

gpu/ipc/service/gpu_channel.h

Index: gpu/ipc/service/gpu_channel.h
diff --git a/gpu/ipc/service/gpu_channel.h b/gpu/ipc/service/gpu_channel.h
index 1712e08769a2e2c7a2d44a3f5d2e7f43e42bba6c..b6a5fd0a2c0e84b9a58b6b81e994485b097f773f 100644
--- a/gpu/ipc/service/gpu_channel.h
+++ b/gpu/ipc/service/gpu_channel.h
@@ -61,7 +61,7 @@ class GPU_EXPORT GpuChannel
   GpuChannel(GpuChannelManager* gpu_channel_manager,
              SyncPointManager* sync_point_manager,
              GpuWatchdog* watchdog,
-             gfx::GLShareGroup* share_group,
+             gl::GLShareGroup* share_group,
              gles2::MailboxManager* mailbox_manager,
              PreemptionFlag* preempting_flag,
              PreemptionFlag* preempted_flag,
@@ -123,7 +123,7 @@ class GPU_EXPORT GpuChannel
 
   void OnStreamRescheduled(int32_t stream_id, bool scheduled);
 
-  gfx::GLShareGroup* share_group() const { return share_group_.get(); }
+  gl::GLShareGroup* share_group() const { return share_group_.get(); }
 
   GpuCommandBufferStub* LookupCommandBuffer(int32_t route_id);
 
@@ -257,7 +257,7 @@ class GPU_EXPORT GpuChannel
 
   // The share group that all contexts associated with a particular renderer
   // process use.
-  scoped_refptr<gfx::GLShareGroup> share_group_;
+  scoped_refptr<gl::GLShareGroup> share_group_;
 
   scoped_refptr<gles2::MailboxManager> mailbox_manager_;