Fix --use-gl=desktop for Windows.

ui/gl/gl_surface_wgl.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_wgl.h"
 
 #include <memory>
 
 #include "base/logging.h"
 #include "base/trace_event/trace_event.h"
@@ skipping 221 matching lines @@
   }
 
   if (!SetPixelFormat(device_context_,
                       g_display->pixel_format(),
                       &kPixelFormatDescriptor)) {
     LOG(ERROR) << "Unable to set the pixel format for GL context.";
     Destroy();
     return false;
   }
 
+  format_ = format;
+
   return true;
 }
 
 void NativeViewGLSurfaceWGL::Destroy() {
   if (child_window_ && device_context_)
     ReleaseDC(child_window_, device_context_);
 
   if (child_window_)
     DestroyWindow(child_window_);
 
   child_window_ = NULL;
   device_context_ = NULL;
 }
 
+bool NativeViewGLSurfaceWGL::Resize(const gfx::Size& size,
+                                    float scale_factor,
+                                    bool has_alpha) {
+  RECT rect;
+  if (!GetClientRect(window_, &rect)) {
+    LOG(ERROR) << "Failed to get parent window size.";
+    return false;
+  }
+  DCHECK(size.width() == (rect.right - rect.left) &&
+         size.height() == (rect.bottom - rect.top));
+  if (!MoveWindow(child_window_, 0, 0, size.width(), size.height(), FALSE)) {
+    LOG(ERROR) << "Failed to resize child window.";
+    return false;
+  }
+  return true;
+}
+
+bool NativeViewGLSurfaceWGL::Recreate() {
+  Destroy();
+  if (!Initialize(format_)) {
+    LOG(ERROR) << "Failed to create surface.";
+    return false;
+  }
+  return true;
+}
+
 bool NativeViewGLSurfaceWGL::IsOffscreen() {
   return false;
 }
 
 gfx::SwapResult NativeViewGLSurfaceWGL::SwapBuffers() {
   TRACE_EVENT2("gpu", "NativeViewGLSurfaceWGL:RealSwapBuffers",
       "width", GetSize().width(),
       "height", GetSize().height());
 
   // Resize the child window to match the parent before swapping. Do not repaint
@@ skipping 94 matching lines @@
 
 gfx::Size PbufferGLSurfaceWGL::GetSize() {
   return size_;
 }
 
 void* PbufferGLSurfaceWGL::GetHandle() {
   return device_context_;
 }
 
 }  // namespace gfx