handoff: Fix the origin so that it correctly reflects the sender.

chrome/browser/app_controller_mac.mm

 // 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.
 
 #import "chrome/browser/app_controller_mac.h"
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 1654 matching lines @@
 }
 
 - (void)passURLToHandoffManager:(const GURL&)handoffURL {
   [handoffManager_ updateActiveURL:handoffURL];
 }
 
 - (void)updateHandoffManager:(content::WebContents*)webContents {
   if (![self shouldUseHandoff])
     return;
 
-  if (!handoffManager_)
-    handoffManager_.reset([[HandoffManager alloc] init]);
+  if (!handoffManager_) {
+    handoffManager_.reset(
+        [[HandoffManager alloc] initWithOrigin:handoff::ORIGIN_MAC]);
+  }
 
   GURL handoffURL = [self handoffURLFromWebContents:webContents];
   [self passURLToHandoffManager:handoffURL];
 }
 
 - (GURL)handoffURLFromWebContents:(content::WebContents*)webContents {
   if (!webContents)
     return GURL();
 
   Profile* profile =
@@ skipping 22 matching lines @@
 
 //---------------------------------------------------------------------------
 
 namespace app_controller_mac {
 
 bool IsOpeningNewWindow() {
   return g_is_opening_new_window;
 }
 
 }  // namespace app_controller_mac