Fixed mismatched channel order in OSMesaViewGLContext....

app/gfx/gl/gl_context_win.cc

 // Copyright (c) 2010 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.
 
 // This file implements the NativeViewGLContext and PbufferGLContext classes.
 
 #include "app/gfx/gl/gl_context.h"
 
 #include <GL/osmesa.h>
 
@@ skipping 472 matching lines @@
   gfx::Size size = osmesa_context_.GetSize();
 
   // Note: negating the height below causes GDI to treat the bitmap data as row
   // 0 being at the top.
   BITMAPV4HEADER info = { sizeof(BITMAPV4HEADER) };
   info.bV4Width = size.width();
   info.bV4Height = -size.height();
   info.bV4Planes = 1;
   info.bV4BitCount = 32;
   info.bV4V4Compression = BI_BITFIELDS;
-  info.bV4RedMask = 0xFF000000;
-  info.bV4GreenMask = 0x00FF0000;
-  info.bV4BlueMask = 0x0000FF00;
-  info.bV4AlphaMask = 0x000000FF;
+  info.bV4RedMask = 0x000000FF;
+  info.bV4GreenMask = 0x0000FF00;
+  info.bV4BlueMask = 0x00FF0000;
+  info.bV4AlphaMask = 0xFF000000;
 
   // Copy the back buffer to the window's device context.
   return StretchDIBits(device_context_,
                        0, 0, size.width(), size.height(),
                        0, 0, size.width(), size.height(),
                        osmesa_context_.buffer(),
                        reinterpret_cast<BITMAPINFO*>(&info),
                        DIB_RGB_COLORS,
                        SRCCOPY) != 0;
 }
 
 gfx::Size OSMesaViewGLContext::GetSize() {
   return osmesa_context_.GetSize();
 }
 
 void* OSMesaViewGLContext::GetHandle() {
   return osmesa_context_.GetHandle();
 }
 
 void OSMesaViewGLContext::SetSwapInterval(int interval) {
   DCHECK(IsCurrent());
   // Fail silently. It is legitimate to set the swap interval on a view context
   // but GDI does not have those semantics.
 }
 
 void OSMesaViewGLContext::UpdateSize() {
   // Change back buffer size to that of window.
   RECT rect;
-  GetClientRect(window_, &rect);
+  if (!GetClientRect(window_, &rect))
+    return;
+
   gfx::Size window_size = gfx::Size(
     std::max(1, static_cast<int>(rect.right - rect.left)),
     std::max(1, static_cast<int>(rect.bottom - rect.top)));
   osmesa_context_.Resize(window_size);
 }
 
 GLContext* GLContext::CreateViewGLContext(gfx::PluginWindowHandle window,
                                           bool multisampled) {
   switch (GetGLImplementation()) {
     case kGLImplementationOSMesaGL: {
@@ skipping 182 matching lines @@
     }
     case kGLImplementationMockGL:
       return new StubGLContext;
     default:
       NOTREACHED();
       return NULL;
   }
 }
 
 }  // namespace gfx