Fix build on the "Linux Clang (ChromeOS dbg)" bot.

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 536 matching lines @@
 
 void RenderWidgetHostViewWin::Focus() {
   if (IsWindow())
     SetFocus();
 }
 
 void RenderWidgetHostViewWin::Blur() {
   NOTREACHED();
 }
 
-bool RenderWidgetHostViewWin::HasFocus() {
+bool RenderWidgetHostViewWin::HasFocus() const {
   return ::GetFocus() == m_hWnd;
 }
 
 void RenderWidgetHostViewWin::Show() {
   if (!is_fullscreen_) {
     DCHECK(parent_hwnd_);
     DCHECK(parent_hwnd_ != GetDesktopWindow());
     SetParent(parent_hwnd_);
   }
   ShowWindow(SW_SHOW);
@@ skipping 1446 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);
 }
-