Preload ddraw.dll before initializing sandbox.

ui/gfx/gl/gl_implementation_win.cc

 // Copyright (c) 2011 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 <d3dx9.h>
 
 #include <vector>
 
 #include "base/at_exit.h"
 #include "base/base_paths.h"
@@ skipping 128 matching lines @@
 
       FilePath gles_path;
       const CommandLine* command_line = CommandLine::ForCurrentProcess();
       bool using_swift_shader =
           command_line->GetSwitchValueASCII(switches::kUseGL) == "swiftshader";
       if (using_swift_shader) {
         if (!command_line->HasSwitch(switches::kSwiftShaderPath))
           return false;
         gles_path =
             command_line->GetSwitchValuePath(switches::kSwiftShaderPath);
+        // Preload library
+        base::NativeLibrary ddraw_library = base::LoadNativeLibrary(

[apatrick_chromium, 2012/03/01 20:30:29]

"base::NativeLibrary ddraw_library = " part is redundant (the variable isn't
used anywhere).

Although could do:

base::AtExitManager::RegisterTask(base::Bind(base::UnloadNativeLibrary,
ddraw_library));

+            L"ddraw.dll", NULL);
       } else {
         gles_path = module_path;
       }
 
       // Load libglesv2.dll before libegl.dll because the latter is dependent on
       // the former and if there is another version of libglesv2.dll in the dll
       // search path, it will get loaded instead.
       base::NativeLibrary gles_library = base::LoadNativeLibrary(
           gles_path.Append(L"libglesv2.dll"), NULL);
       if (!gles_library) {
@@ skipping 120 matching lines @@
   ClearGLBindingsGL();
   ClearGLBindingsOSMESA();
   ClearGLBindingsWGL();
   SetGLImplementation(kGLImplementationNone);
 
   UnloadGLNativeLibraries();
   UnloadD3DXLibraries(NULL);
 }
 
 }  // namespace gfx