Remove one manually bound user32 call

content/browser/renderer_host/render_widget_host_view_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 "content/browser/renderer_host/render_widget_host_view_win.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/i18n/rtl.h"
@@ skipping 182 matching lines @@
       case WM_MBUTTONDOWN:
         ::SendMessage(GetParent(window), message, wparam, lparam);
         return 0;
       default:
         break;
     }
   }
   return ::DefWindowProc(window, message, wparam, lparam);
 }
 
-// Must be dynamically loaded to avoid startup failures on Win XP.
-typedef BOOL (WINAPI *ChangeWindowMessageFilterExFunction)(
-    HWND hwnd,
-    UINT message,
-    DWORD action,
-    PCHANGEFILTERSTRUCT change_filter_struct);
-ChangeWindowMessageFilterExFunction g_ChangeWindowMessageFilterEx;
-
 }  // namespace
 
 ///////////////////////////////////////////////////////////////////////////////
 // RenderWidgetHostViewWin, public:
 
 RenderWidgetHostViewWin::RenderWidgetHostViewWin(RenderWidgetHost* widget)
     : render_widget_host_(widget),
       compositor_host_window_(NULL),
       hide_compositor_window_at_next_paint_(false),
       track_mouse_leave_(false),
@@ skipping 220 matching lines @@
       WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR,
       MAKEINTATOM(window_class), 0,
       WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS,
       0, 0, 0, 0, orig_parent, 0, GetModuleHandle(NULL), 0);
   ui::CheckWindowCreated(parent);
   // If UIPI is enabled we need to add message filters for parents with
   // children that cross process boundaries.
   if (::GetPropW(orig_parent, webkit::npapi::kNativeWindowClassFilterProp)) {
     // Process-wide message filters required on Vista must be added to:
     // chrome_content_client.cc ChromeContentClient::SandboxPlugin
-    if (!g_ChangeWindowMessageFilterEx) {
-      g_ChangeWindowMessageFilterEx =
-          reinterpret_cast<ChangeWindowMessageFilterExFunction>(
-              ::GetProcAddress(::GetModuleHandle(L"user32.dll"),
-                               "ChangeWindowMessageFilterEx"));
-    }
-    // Process-wide message filters required on Vista must be added to:
-    // chrome_content_client.cc ChromeContentClient::SandboxPlugin
-    g_ChangeWindowMessageFilterEx(parent, WM_MOUSEWHEEL, MSGFLT_ALLOW, NULL);
-    g_ChangeWindowMessageFilterEx(parent, WM_GESTURE, MSGFLT_ALLOW, NULL);
-    g_ChangeWindowMessageFilterEx(parent, WM_APPCOMMAND, MSGFLT_ALLOW, NULL);
+    ChangeWindowMessageFilterEx(parent, WM_MOUSEWHEEL, MSGFLT_ALLOW, NULL);
+    ChangeWindowMessageFilterEx(parent, WM_GESTURE, MSGFLT_ALLOW, NULL);
+    ChangeWindowMessageFilterEx(parent, WM_APPCOMMAND, MSGFLT_ALLOW, NULL);
     ::RemovePropW(orig_parent, webkit::npapi::kNativeWindowClassFilterProp);
   }
   ::SetParent(window, parent);
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       new NotifyPluginProcessHostTask(window, parent));
   return parent;
 }
 
 static BOOL CALLBACK AddChildWindowToVector(HWND hwnd, LPARAM lparam) {
@@ skipping 1468 matching lines @@
   if (message == WM_MOUSEMOVE) {
     CPoint center = GetClientCenter();
     // Ignore WM_MOUSEMOVE messages generated by MoveCursorToCenter().
     if (LOWORD(lparam) == center.x && HIWORD(lparam) == center.y)
       return;
   }
 
   ForwardMouseEventToRenderer(message, wparam, lparam);
 }