Mojo: Move C gles2 header files to mojo/public/c/gles2.

mojo/examples/sample_app/gles2_client_impl.cc

 // Copyright 2013 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 "mojo/examples/sample_app/gles2_client_impl.h"
 
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
 #include <math.h>
 
-#include "mojo/public/gles2/gles2.h"
+#include "mojo/public/c/gles2/gles2.h"
 #include "ui/events/event_constants.h"
 
 namespace mojo {
 namespace examples {
 namespace {
 
 float CalculateDragDistance(const gfx::PointF& start, const Point& end) {
   return hypot(start.x() - end.x(), start.y() - end.y());
 }
 
@@ skipping 90 matching lines @@
   last_time_ = GetTimeTicksNow();
 }
 
 void GLES2ClientImpl::CancelAnimationFrames() {
   getting_animation_frames_ = false;
   MojoGLES2CancelAnimationFrames(context_);
 }
 
 }  // namespace examples
 }  // namespace mojo