Move GL one-off initialization code.

ui/gl/gl_surface_win.cc

 // Copyright (c) 2012 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/gl_surface.h"
 
 #include <dwmapi.h>
 
 #include <memory>
 
@@ skipping 35 matching lines @@
 
  private:
   ~NativeViewGLSurfaceOSMesa() override;
 
   gfx::AcceleratedWidget window_;
   HDC device_context_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeViewGLSurfaceOSMesa);
 };
 
-// Helper routine that does one-off initialization like determining the
-// pixel format.
-bool GLSurface::InitializeOneOffInternal() {
-  VSyncProviderWin::InitializeOneOff();
-
-  switch (GetGLImplementation()) {
-    case kGLImplementationDesktopGL:
-      if (!GLSurfaceWGL::InitializeOneOff()) {
-        LOG(ERROR) << "GLSurfaceWGL::InitializeOneOff failed.";
-        return false;
-      }
-      break;
-    case kGLImplementationEGLGLES2:
-      if (!GLSurfaceEGL::InitializeOneOff()) {
-        LOG(ERROR) << "GLSurfaceEGL::InitializeOneOff failed.";
-        return false;
-      }
-      break;
-    case kGLImplementationNone:
-    case kGLImplementationDesktopGLCoreProfile:
-    case kGLImplementationAppleGL:
-      NOTREACHED();
-    case kGLImplementationOSMesaGL:
-    case kGLImplementationMockGL:
-      break;
-  }
-  return true;
-}
-
 NativeViewGLSurfaceOSMesa::NativeViewGLSurfaceOSMesa(
     gfx::AcceleratedWidget window)
     : GLSurfaceOSMesa(SURFACE_OSMESA_RGBA, gfx::Size(1, 1)),
       window_(window),
       device_context_(NULL) {
   DCHECK(window);
 }
 
 NativeViewGLSurfaceOSMesa::~NativeViewGLSurfaceOSMesa() {
   Destroy();
@@ skipping 170 matching lines @@
       NOTREACHED();
       return NULL;
   }
 }
 
 EGLNativeDisplayType GetPlatformDefaultEGLNativeDisplay() {
   return GetDC(NULL);
 }
 
 }  // namespace gl