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

ui/gl/gl_surface_egl.h

Index: ui/gl/gl_surface_egl.h
diff --git a/ui/gl/gl_surface_egl.h b/ui/gl/gl_surface_egl.h
index 4be8b2a5a2f4006f90644f7994ca4f9ae7484e34..10434d006932826655f516ff8401c8595ca0ba7e 100644
--- a/ui/gl/gl_surface_egl.h
+++ b/ui/gl/gl_surface_egl.h
@@ -24,7 +24,7 @@
 #include "ui/gl/gl_surface.h"
 #include "ui/gl/gl_surface_overlay.h"
 
-namespace gfx {
+namespace gl {
 
 // Get default EGL display for GLSurfaceEGL (differs by platform).
 EGLNativeDisplayType GetPlatformDefaultEGLNativeDisplay();
@@ -102,18 +102,19 @@ class GL_EXPORT NativeViewGLSurfaceEGL : public GLSurfaceEGL {
   gfx::SwapResult PostSubBuffer(int x, int y, int width, int height) override;
   bool SupportsCommitOverlayPlanes() override;
   gfx::SwapResult CommitOverlayPlanes() override;
-  VSyncProvider* GetVSyncProvider() override;
+  gfx::VSyncProvider* GetVSyncProvider() override;
   bool ScheduleOverlayPlane(int z_order,
-                            OverlayTransform transform,
+                            gfx::OverlayTransform transform,
                             gl::GLImage* image,
-                            const Rect& bounds_rect,
-                            const RectF& crop_rect) override;
+                            const gfx::Rect& bounds_rect,
+                            const gfx::RectF& crop_rect) override;
   bool FlipsVertically() const override;
   bool BuffersFlipped() const override;
 
-  // Create a NativeViewGLSurfaceEGL with an externally provided VSyncProvider.
-  // Takes ownership of the VSyncProvider.
-  virtual bool Initialize(std::unique_ptr<VSyncProvider> sync_provider);
+  // Create a NativeViewGLSurfaceEGL with an externally provided
+  // gfx::VSyncProvider.
+  // Takes ownership of the gfx::VSyncProvider.
+  virtual bool Initialize(std::unique_ptr<gfx::VSyncProvider> sync_provider);
 
   // Takes care of the platform dependant bits, of any, for creating the window.
   virtual bool InitializeNativeWindow();
@@ -136,7 +137,7 @@ class GL_EXPORT NativeViewGLSurfaceEGL : public GLSurfaceEGL {
   bool supports_post_sub_buffer_;
   bool flips_vertically_;
 
-  std::unique_ptr<VSyncProvider> vsync_provider_;
+  std::unique_ptr<gfx::VSyncProvider> vsync_provider_;
 
   int swap_interval_;
 
@@ -211,6 +212,6 @@ class GL_EXPORT SurfacelessEGL : public GLSurfaceEGL {
   DISALLOW_COPY_AND_ASSIGN(SurfacelessEGL);
 };
 
-}  // namespace gfx
+}  // namespace gl
 
 #endif  // UI_GL_GL_SURFACE_EGL_H_