Follow-up fixes to changing namespace gfx to gl.

ui/gl/gl_context_cgl.cc

Index: ui/gl/gl_context_cgl.cc
diff --git a/ui/gl/gl_context_cgl.cc b/ui/gl/gl_context_cgl.cc
index 73a71ef16f6ddecd9476283001a47916943bd7a1..b799a174716cc2dba13ff71ddbe5f0f0d8633ec8 100644
--- a/ui/gl/gl_context_cgl.cc
+++ b/ui/gl/gl_context_cgl.cc
@@ -139,7 +139,7 @@ bool GLContextCGL::Initialize(GLSurface* compatible_surface,
 
 void GLContextCGL::Destroy() {
   if (yuv_to_rgb_converter_) {
-    gl::ScopedCGLSetCurrentContext(static_cast<CGLContextObj>(context_));
+    ScopedCGLSetCurrentContext(static_cast<CGLContextObj>(context_));
     yuv_to_rgb_converter_.reset();
   }
   if (discrete_pixelformat_) {
@@ -201,9 +201,9 @@ bool GLContextCGL::ForceGpuSwitchIfNeeded() {
   return true;
 }
 
-gl::YUVToRGBConverter* GLContextCGL::GetYUVToRGBConverter() {
+YUVToRGBConverter* GLContextCGL::GetYUVToRGBConverter() {
   if (!yuv_to_rgb_converter_)
-    yuv_to_rgb_converter_.reset(new gl::YUVToRGBConverter);
+    yuv_to_rgb_converter_.reset(new YUVToRGBConverter);
   return yuv_to_rgb_converter_.get();
 }