Remove CallMsgFilter from MessagePumpWin

base/message_loop/message_pump_win.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 "base/message_loop/message_pump_win.h"
 
 #include <math.h>
 #include <stdint.h>
 
 #include <limits>
@@ skipping 17 matching lines @@
   RECEIVED_WM_QUIT_ERROR,
   MESSAGE_LOOP_PROBLEM_MAX,
 };
 
 }  // namespace
 
 // Message sent to get an additional time slice for pumping (processing) another
 // task (a series of such messages creates a continuous task pump).
 static const int kMsgHaveWork = WM_USER + 1;
 
-// The application-defined code passed to the hook procedure.
-static const int kMessageFilterCode = 0x5001;
-
 //-----------------------------------------------------------------------------
 // MessagePumpWin public:
 
 MessagePumpWin::MessagePumpWin() = default;
 
 void MessagePumpWin::Run(Delegate* delegate) {
   RunState s;
   s.delegate = delegate;
   s.should_quit = false;
   s.run_depth = state_ ? state_->run_depth + 1 : 1;
@@ skipping 304 matching lines @@
     // GetMessage() loop.
     state_->should_quit = true;
     PostQuitMessage(static_cast<int>(msg.wParam));
     return false;
   }
 
   // While running our main message pump, we discard kMsgHaveWork messages.
   if (msg.message == kMsgHaveWork && msg.hwnd == message_window_.hwnd())
     return ProcessPumpReplacementMessage();
 
-  if (CallMsgFilter(const_cast<MSG*>(&msg), kMessageFilterCode))
-    return true;
-
   TranslateMessage(&msg);
   DispatchMessage(&msg);
 
   return true;
 }
 
 bool MessagePumpForUI::ProcessPumpReplacementMessage() {
   // When we encounter a kMsgHaveWork message, this method is called to peek and
   // process a replacement message. The goal is to make the kMsgHaveWork as non-
   // intrusive as possible, even though a continuous stream of such messages are
@@ skipping 151 matching lines @@
 
   if (msg.message == WM_QUIT) {
     UMA_HISTOGRAM_ENUMERATION("Chrome.MessageLoopProblem",
                               RECEIVED_WM_QUIT_ERROR, MESSAGE_LOOP_PROBLEM_MAX);
     // WM_QUIT messages shouldn't be received by any threads in the GPU
     // process. If they are, just ignore them instead of causing threads to
     // exit prematurely.
     return true;
   }
 
-  if (!CallMsgFilter(const_cast<MSG*>(&msg), kMessageFilterCode)) {
-    TranslateMessage(&msg);
-    DispatchMessage(&msg);
-  }
+  TranslateMessage(&msg);
+  DispatchMessage(&msg);
 
   return true;
 }
 
 //-----------------------------------------------------------------------------
 // MessagePumpForIO public:
 
 MessagePumpForIO::IOContext::IOContext() {
   memset(&overlapped, 0, sizeof(overlapped));
 }
@@ skipping 163 matching lines @@
     if (!filter || it->handler == filter) {
       *item = *it;
       completed_io_.erase(it);
       return true;
     }
   }
   return false;
 }
 
 }  // namespace base