Remove redundant 'escape to quit fullscreen/mouse lock' code.

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 1266 matching lines @@
   }
 
   ForwardMouseEventToRenderer(message, wparam, lparam);
   return 0;
 }
 
 LRESULT RenderWidgetHostViewWin::OnKeyEvent(UINT message, WPARAM wparam,
                                             LPARAM lparam, BOOL& handled) {
   handled = TRUE;
 
-  // When Escape is pressed, unlock the mouse or force fullscreen windows to
-  // close if necessary.
+  // When Escape is pressed, force fullscreen windows to close if necessary.
   if ((message == WM_KEYDOWN || message == WM_KEYUP) && wparam == VK_ESCAPE) {
-    bool absorbed = false;
-    if (mouse_locked_) {
-      UnlockMouse();
-      absorbed = true;
-    }
     if (is_fullscreen_) {
       SendMessage(WM_CANCELMODE);
-      absorbed = true;
+      return 0;
     }
-    if (absorbed)
-      return 0;
   }
 
   // If we are a pop-up, forward tab related messages to our parent HWND, so
   // that we are dismissed appropriately and so that the focus advance in our
   // parent.
   // TODO(jcampan): http://b/issue?id=1192881 Could be abstracted in the
   //                FocusManager.
   if (close_on_deactivate_ &&
       (((message == WM_KEYDOWN || message == WM_KEYUP) && (wparam == VK_TAB)) ||
         (message == WM_CHAR && wparam == L'\t'))) {
@@ skipping 630 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);
 }