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

chrome/renderer/renderer_histogram_snapshots.cc

 // Copyright (c) 2010 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/renderer/renderer_histogram_snapshots.h"
 
 #include <ctype.h>
 
 #include "base/logging.h"
 #include "base/message_loop.h"
@@ skipping 18 matching lines @@
 void RendererHistogramSnapshots::SendHistograms(int sequence_number) {
   RenderThread::current()->message_loop()->PostTask(FROM_HERE,
       renderer_histogram_snapshots_factory_.NewRunnableMethod(
           &RendererHistogramSnapshots::UploadAllHistrograms, sequence_number));
 }
 
 bool RendererHistogramSnapshots::OnControlMessageReceived(
     const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(RendererHistogramSnapshots, message)
-    IPC_MESSAGE_HANDLER(ViewMsg_GetRendererHistograms, OnGetRendererHistograms)
+    IPC_MESSAGE_HANDLER(ChromeViewMsg_GetRendererHistograms,
+                        OnGetRendererHistograms)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void RendererHistogramSnapshots::OnGetRendererHistograms(int sequence_number) {
   SendHistograms(sequence_number);
 }
 
 void RendererHistogramSnapshots::UploadAllHistrograms(int sequence_number) {
   DCHECK_EQ(0u, pickled_histograms_.size());
 
   // Push snapshots into our pickled_histograms_ vector.
   TransmitAllHistograms(Histogram::kIPCSerializationSourceFlag, false);
 
   // Send the sequence number and list of pickled histograms over synchronous
   // IPC, so we can clear pickled_histograms_ afterwards.
   RenderThread::current()->Send(
-      new ViewHostMsg_RendererHistograms(
+      new ChromeViewHostMsg_RendererHistograms(
           sequence_number, pickled_histograms_));
 
   pickled_histograms_.clear();
 }
 
 void RendererHistogramSnapshots::TransmitHistogramDelta(
       const base::Histogram& histogram,
       const base::Histogram::SampleSet& snapshot) {
   DCHECK_NE(0, snapshot.TotalCount());
   snapshot.CheckSize(histogram);
@@ skipping 11 matching lines @@
 void RendererHistogramSnapshots::UniqueInconsistencyDetected(int problem) {
   UMA_HISTOGRAM_ENUMERATION("Histogram.InconsistenciesRendererUnique",
                             problem, Histogram::NEVER_EXCEEDED_VALUE);
 }
 
 void RendererHistogramSnapshots::SnapshotProblemResolved(int amount) {
   UMA_HISTOGRAM_COUNTS("Histogram.InconsistentSnapshotRenderer",
                        std::abs(amount));
 }