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

ui/gl/test/gl_image_test_support.cc

Index: ui/gl/test/gl_image_test_support.cc
diff --git a/ui/gl/test/gl_image_test_support.cc b/ui/gl/test/gl_image_test_support.cc
index 002ccf0b15c9dcb360bcb42ed9ca3c9a74875d66..3da60b5a05f28388e98869765262f985531a6ec0 100644
--- a/ui/gl/test/gl_image_test_support.cc
+++ b/ui/gl/test/gl_image_test_support.cc
@@ -17,13 +17,12 @@ namespace gl {
 
 // static
 void GLImageTestSupport::InitializeGL() {
-
-  std::vector<gfx::GLImplementation> allowed_impls;
+  std::vector<gl::GLImplementation> allowed_impls;
   GetAllowedGLImplementations(&allowed_impls);
   DCHECK(!allowed_impls.empty());
 
-  gfx::GLImplementation impl = allowed_impls[0];
-  gfx::GLSurfaceTestSupport::InitializeOneOffImplementation(impl, true);
+  gl::GLImplementation impl = allowed_impls[0];
+  gl::GLSurfaceTestSupport::InitializeOneOffImplementation(impl, true);
 #if defined(USE_OZONE)
   // Make sure all the tasks posted to the current task runner by the
   // initialization functions are run before running the tests.
@@ -33,7 +32,7 @@ void GLImageTestSupport::InitializeGL() {
 
 // static
 void GLImageTestSupport::CleanupGL() {
-  gfx::ClearGLBindings();
+  gl::ClearGLBindings();
 }
 
 // static