Convert some non-debug logging on content/common to debug logging.

content/common/gpu/gpu_channel.cc

Index: content/common/gpu/gpu_channel.cc
===================================================================
--- content/common/gpu/gpu_channel.cc	(revision 107816)
+++ content/common/gpu/gpu_channel.cc	(working copy)
@@ -1,4 +1,4 @@
-// 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.
 
@@ -67,8 +67,8 @@
 
 bool GpuChannel::OnMessageReceived(const IPC::Message& message) {
   if (log_messages_) {
-    VLOG(1) << "received message @" << &message << " on channel @" << this
-            << " with type " << message.type();
+    DVLOG(1) << "received message @" << &message << " on channel @" << this
+             << " with type " << message.type();
   }
 
   // Control messages are not deferred and can be handled out of order with
@@ -105,8 +105,8 @@
   // process. This could result in deadlock.
   DCHECK(!message->is_sync());
   if (log_messages_) {
-    VLOG(1) << "sending message @" << message << " on channel @" << this
-            << " with type " << message->type();
+    DVLOG(1) << "sending message @" << message << " on channel @" << this
+             << " with type " << message->type();
   }
 
   if (!channel_.get()) {