Mouse lock implementation, including the renderer side and the Windows version of the browser side.

chrome/browser/renderer_host/render_widget_host_view_mac.mm

 // 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 "chrome/browser/renderer_host/render_widget_host_view_mac.h"
 
 #include <QuartzCore/QuartzCore.h>
 
 #include <cmath>
 
@@ skipping 1082 matching lines @@
     bool has_horizontal_scrollbar) {
   [cocoa_view_ setHasHorizontalScrollbar:has_horizontal_scrollbar];
 }
 
 void RenderWidgetHostViewMac::SetScrollOffsetPinning(
     bool is_pinned_to_left, bool is_pinned_to_right) {
   [cocoa_view_ setPinnedLeft:is_pinned_to_left];
   [cocoa_view_ setPinnedRight:is_pinned_to_right];
 }
 
+bool RenderWidgetHostViewMac::LockMouse() {
+  NOTIMPLEMENTED();
+  return false;
+}
+
+void RenderWidgetHostViewMac::UnlockMouse() {
+  NOTIMPLEMENTED();
+}
+
 void RenderWidgetHostViewMac::ShutdownHost() {
   shutdown_factory_.RevokeAll();
   render_widget_host_->Shutdown();
   // Do not touch any members at this point, |this| has been deleted.
 }
 
 gfx::Rect RenderWidgetHostViewMac::GetViewCocoaBounds() const {
   return gfx::Rect(NSRectToCGRect([cocoa_view_ bounds]));
 }
 
@@ skipping 1765 matching lines @@
   if (!string) return NO;
 
   // If the user is currently using an IME, confirm the IME input,
   // and then insert the text from the service, the same as TextEdit and Safari.
   [self confirmComposition];
   [self insertText:string];
   return YES;
 }
 
 @end