Account for device scale factor in automation API bounding boxes.

chrome/browser/extensions/api/automation_internal/automation_event_router.cc

 // Copyright 2015 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/extensions/api/automation_internal/automation_event_router.h"
 
 #include <algorithm>
 #include <string>
 #include <utility>
 
 #include "base/stl_util.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/common/extensions/api/automation_api_constants.h"
 #include "chrome/common/extensions/api/automation_internal.h"
 #include "chrome/common/extensions/chrome_extension_messages.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_process_host.h"
 #include "extensions/browser/event_router.h"
 #include "extensions/common/extension.h"
 #include "ui/accessibility/ax_enums.h"
 #include "ui/accessibility/ax_node_data.h"
@@ skipping 30 matching lines @@
            false);
 }
 
 void AutomationEventRouter::RegisterListenerWithDesktopPermission(
     const ExtensionId& extension_id,
     int listener_process_id,
     int listener_routing_id) {
   Register(extension_id,
            listener_process_id,
            listener_routing_id,
-           0  /* desktop tree ID */,
+           api::automation::kDesktopTreeID,
            true);
 }
 
 void AutomationEventRouter::DispatchAccessibilityEvent(
     const ExtensionMsg_AccessibilityEventParams& params) {
   if (active_profile_ != ProfileManager::GetActiveUserProfile()) {
     active_profile_ = ProfileManager::GetActiveUserProfile();
     UpdateActiveProfile();
   }
 
@@ skipping 128 matching lines @@
     // only mark one as active.
     listener.is_active_profile = (extension_id_count == 1 ||
                                   rph->GetBrowserContext() == active_profile_);
 #else
     listener.is_active_profile = true;
 #endif
   }
 }
 
 }  // namespace extensions