Perform direct routing of mouse events when the pointer is locked.

content/browser/web_contents/web_contents_impl.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 "content/browser/web_contents/web_contents_impl.h"
 
 #include <stddef.h>
 
 #include <cmath>
 #include <utility>
@@ skipping 1943 matching lines @@
 }
 
 bool WebContentsImpl::HasMouseLock(RenderWidgetHostImpl* render_widget_host) {
   // To verify if the mouse is locked, the mouse_lock_widget_ needs to be
   // assigned to the widget that requested the mouse lock, and the top-level
   // platform RenderWidgetHostView needs to hold the mouse lock from the OS.
   return mouse_lock_widget_ == render_widget_host &&
          GetTopLevelRenderWidgetHostView()->IsMouseLocked();
 }
 
+RenderWidgetHostImpl* WebContentsImpl::MouseLockWidget() {
+  if (GetTopLevelRenderWidgetHostView()->IsMouseLocked())
+    return mouse_lock_widget_;
+
+  return nullptr;
+}
+
 void WebContentsImpl::ForwardCompositorProto(
     RenderWidgetHostImpl* render_widget_host,
     const std::vector<uint8_t>& proto) {
   if (delegate_)
     delegate_->ForwardCompositorProto(render_widget_host, proto);
 }
 
 void WebContentsImpl::OnRenderFrameProxyVisibilityChanged(bool visible) {
   if (visible && !GetOuterWebContents()->IsHidden())
     WasShown();
@@ skipping 3358 matching lines @@
   GetMainFrame()->AddMessageToConsole(
       content::CONSOLE_MESSAGE_LEVEL_WARNING,
       base::StringPrintf("This site does not have a valid SSL "
                          "certificate! Without SSL, your site's and "
                          "visitors' data is vulnerable to theft and "
                          "tampering. Get a valid SSL certificate before"
                          " releasing your website to the public."));
 }
 
 }  // namespace content