Move a bunch of code in content\renderer to the content namespace.

content/renderer/load_progress_tracker.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 "content/renderer/load_progress_tracker.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "content/common/view_messages.h"
 #include "content/renderer/render_view_impl.h"
 
+namespace content {
 namespace {
 
 const int kMinimumDelayBetweenUpdatesMS = 100;
 
 }
 
 LoadProgressTracker::LoadProgressTracker(RenderViewImpl* render_view)
     : render_view_(render_view),
       tracked_frame_(NULL),
       progress_(0.0),
@@ skipping 58 matching lines @@
       new ViewHostMsg_DidChangeLoadProgress(render_view_->routing_id(),
                                             progress_));
 }
 
 void LoadProgressTracker::ResetStates() {
   tracked_frame_ = NULL;
   progress_ = 0.0;
   weak_factory_.InvalidateWeakPtrs();
   last_time_progress_sent_ = base::TimeTicks();
 }
+
+}  // namespace content