Fixed multi-monitor mouse coordinates.

remoting/host/input_injector_mac.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 "remoting/host/input_injector.h"
 
 #include <ApplicationServices/ApplicationServices.h>
 #include <Carbon/Carbon.h>
 #include <algorithm>
 
@@ skipping 230 matching lines @@
     // Fetch the desktop configuration.
     // TODO(wez): Optimize this out, or at least only enumerate displays in
     // response to display-changed events. VideoFrameCapturer's VideoFrames
     // could be augmented to include native cursor coordinates for use by
     // MouseClampingFilter, removing the need for translation here.
     webrtc::MacDesktopConfiguration desktop_config =
         webrtc::MacDesktopConfiguration::GetCurrent(
             webrtc::MacDesktopConfiguration::TopLeftOrigin);
 
     // Translate the mouse position into desktop coordinates.
-    mouse_pos_.add(webrtc::DesktopVector(desktop_config.pixel_bounds.left(),
-                                         desktop_config.pixel_bounds.top()));
+    mouse_pos_ = mouse_pos_.add(
+        webrtc::DesktopVector(desktop_config.pixel_bounds.left(),
+                              desktop_config.pixel_bounds.top()));
 
     // Constrain the mouse position to the desktop coordinates.
     mouse_pos_.set(
        std::max(desktop_config.pixel_bounds.left(),
            std::min(desktop_config.pixel_bounds.right(), mouse_pos_.x())),
        std::max(desktop_config.pixel_bounds.top(),
            std::min(desktop_config.pixel_bounds.bottom(), mouse_pos_.y())));
 
     // Convert from pixel to Density Independent Pixel coordinates.
     mouse_pos_.set(mouse_pos_.x() / desktop_config.dip_to_pixel_scale,
@@ skipping 71 matching lines @@
 
 }  // namespace
 
 scoped_ptr<InputInjector> InputInjector::Create(
     scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner) {
   return scoped_ptr<InputInjector>(new InputInjectorMac(main_task_runner));
 }
 
 }  // namespace remoting