ui/gl: rename ClearGLBindings to ShutdownGL

ui/gl/init/gl_initializer_ozone.cc

 // Copyright 2016 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 "ui/gl/init/gl_initializer.h"
 
 #include "base/logging.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_egl_api_implementation.h"
 #include "ui/gl/gl_gl_api_implementation.h"
@@ skipping 73 matching lines @@
   if (HasGLOzone()) {
     GetGLOzone()->InitializeDebugGLBindings();
     return;
   }
 
   InitializeDebugGLBindingsEGL();
   InitializeDebugGLBindingsGL();
   InitializeDebugGLBindingsOSMESA();
 }
 
-void ClearGLBindingsPlatform() {
+void ShutdownGLPlatform() {
   if (HasGLOzone()) {
-    GetGLOzone()->ClearGLBindings();
+    GetGLOzone()->ShutdownGL();
     return;
   }
 
-  ClearGLBindingsEGL();
-  ClearGLBindingsGL();
-  ClearGLBindingsOSMESA();
+  ClearBindingsEGL();
+  ClearBindingsGL();
+  ClearBindingsOSMESA();
 }
 
 }  // namespace init
 }  // namespace gl