Move last of platform dependent init from //ui/gl to //ui/gl/init.

ui/gl/test/gl_surface_test_support.cc

 // Copyright 2015 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/test/gl_surface_test_support.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 26 matching lines @@
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kUseGpuInTests)) {
     use_osmesa = false;
   }
 
 #if defined(OS_ANDROID)
   // On Android we always use hardware GL.
   use_osmesa = false;
 #endif
 
-  std::vector<GLImplementation> allowed_impls;
-  GetAllowedGLImplementations(&allowed_impls);
+  std::vector<GLImplementation> allowed_impls =
+      init::GetAllowedGLImplementations();
   DCHECK(!allowed_impls.empty());
 
   GLImplementation impl = allowed_impls[0];
   if (use_osmesa)
     impl = kGLImplementationOSMesaGL;
 
   DCHECK(!base::CommandLine::ForCurrentProcess()->HasSwitch(switches::kUseGL))
       << "kUseGL has not effect in tests";
 
   bool fallback_to_osmesa = false;
@@ skipping 21 matching lines @@
   CHECK(init::InitializeGLOneOffImplementation(
       impl, fallback_to_osmesa, gpu_service_logging, disable_gl_drawing));
 }
 
 // static
 void GLSurfaceTestSupport::InitializeOneOffWithMockBindings() {
   InitializeOneOffImplementation(kGLImplementationMockGL, false);
 }
 
 }  // namespace gl