Temporarily disables metric reporting from service process on MAC.

chrome/browser/service_process/service_process_control.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 "chrome/browser/service_process/service_process_control.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 263 matching lines @@
 }
 
 bool ServiceProcessControl::GetHistograms(
     const base::Closure& histograms_callback,
     const base::TimeDelta& timeout) {
   AllocDebugTest();
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(!histograms_callback.is_null());
   histograms_callback_.Reset();
 
+#if defined(OS_MACOSX)
+  // TODO(vitalybuka): Investigate why it crashes MAC http://crbug.com/406227.
+  return false;
+#endif  // OS_MACOSX
+
   // If the service process is already running then connect to it.
   if (!CheckServiceProcessReady())
     return false;
   ConnectInternal();
 
   UMA_HISTOGRAM_ENUMERATION("CloudPrint.ServiceEvents",
                             SERVICE_EVENT_HISTOGRAMS_REQUEST,
                             SERVICE_EVENT_MAX);
 
   if (!Send(new ServiceMsg_GetHistograms()))
@@ skipping 109 matching lines @@
   if (base::LaunchProcess(*cmd_line_, options, &process_handle_)) {
     BrowserThread::PostTask(
         BrowserThread::IO, FROM_HERE,
         base::Bind(&Launcher::DoDetectLaunched, this));
   } else {
     BrowserThread::PostTask(
         BrowserThread::UI, FROM_HERE, base::Bind(&Launcher::Notify, this));
   }
 }
 #endif  // !OS_MACOSX