Prime the Windows theme DLL earlier.

content/renderer/renderer_main_platform_delegate_win.cc

Index: content/renderer/renderer_main_platform_delegate_win.cc
diff --git a/content/renderer/renderer_main_platform_delegate_win.cc b/content/renderer/renderer_main_platform_delegate_win.cc
index 19467d52adce2f28a63bb0a912ed7e20b43d194d..f1b5dabc5a3c7811afe1e1197db12a87714df31a 100644
--- a/content/renderer/renderer_main_platform_delegate_win.cc
+++ b/content/renderer/renderer_main_platform_delegate_win.cc
@@ -19,51 +19,6 @@
 
 namespace {
 
-// In order to have Theme support, we need to connect to the theme service.
-// This needs to be done before we lock down the renderer. Officially this
-// can be done with OpenThemeData() but it fails unless you pass a valid
-// window at least the first time. Interestingly, the very act of creating a
-// window also sets the connection to the theme service.
-void EnableThemeSupportForRenderer(bool no_sandbox) {
-  HWINSTA current = NULL;
-  HWINSTA winsta0 = NULL;
-
-  if (!no_sandbox) {
-    current = ::GetProcessWindowStation();
-    winsta0 = ::OpenWindowStationW(L"WinSta0", FALSE, GENERIC_READ);
-    if (!winsta0 || !::SetProcessWindowStation(winsta0)) {
-      // Could not set the alternate window station. There is a possibility
-      // that the theme wont be correctly initialized on XP.
-      NOTREACHED() << "Unable to switch to WinSt0";
-    }
-  }
-
-  HWND window = ::CreateWindowExW(0, L"Static", L"", WS_POPUP | WS_DISABLED,
-                                  CW_USEDEFAULT, 0, 0, 0,  HWND_MESSAGE, NULL,
-                                  ::GetModuleHandleA(NULL), NULL);
-  if (!window) {
-    DLOG(WARNING) << "failed to enable theme support";
-  } else {
-    ::DestroyWindow(window);
-  }
-
-  if (!no_sandbox) {
-    // Revert the window station.
-    if (!current || !::SetProcessWindowStation(current)) {
-      // We failed to switch back to the secure window station. This might
-      // confuse the renderer enough that we should kill it now.
-      LOG(FATAL) << "Failed to restore alternate window station";
-    }
-
-    if (!::CloseWindowStation(winsta0)) {
-      // We might be leaking a winsta0 handle.  This is a security risk, but
-      // since we allow fail over to no desktop protection in low memory
-      // condition, this is not a big risk.
-      NOTREACHED();
-    }
-  }
-}
-
 // Windows-only skia sandbox support
 void SkiaPreCacheFont(const LOGFONT& logfont) {
   content::RenderThread* render_thread = content::RenderThread::Get();
@@ -112,7 +67,6 @@ void RendererMainPlatformDelegate::PlatformInitialize() {
   // malicious code if the renderer gets compromised.
   const CommandLine& command_line = parameters_.command_line;
   bool no_sandbox = command_line.HasSwitch(switches::kNoSandbox);
-  EnableThemeSupportForRenderer(no_sandbox);
 
   if (!no_sandbox) {
     // ICU DateFormat class (used in base/time_format.cc) needs to get the