Prefix all IPC messages used by src\chrome with Chrome. For e.g ChromeViewMsg_, ChromeViewHostMsg...

chrome/browser/metrics/field_trial_synchronizer.cc

 // Copyright (c) 2011 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/metrics/field_trial_synchronizer.h"
 
 #include "base/logging.h"
 #include "base/threading/thread.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/render_messages.h"
@@ skipping 14 matching lines @@
 void FieldTrialSynchronizer::NotifyAllRenderers(
     const std::string& field_trial_name,
     const std::string& group_name) {
   // To iterate over RenderProcessHosts, or to send messages to the hosts, we
   // need to be on the UI thread.
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   for (RenderProcessHost::iterator it(RenderProcessHost::AllHostsIterator());
        !it.IsAtEnd(); it.Advance()) {
     it.GetCurrentValue()->Send(
-        new ViewMsg_SetFieldTrialGroup(field_trial_name, group_name));
+        new ChromeViewMsg_SetFieldTrialGroup(field_trial_name, group_name));
   }
 }
 
 void FieldTrialSynchronizer::OnFieldTrialGroupFinalized(
     const std::string& field_trial_name,
     const std::string& group_name) {
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       NewRunnableMethod(this,
                         &FieldTrialSynchronizer::NotifyAllRenderers,
                         field_trial_name,
                         group_name));
 }
 
 // static
 FieldTrialSynchronizer*
     FieldTrialSynchronizer::field_trial_synchronizer_ = NULL;