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

content/renderer/text_input_client_observer.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/text_input_client_observer.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "content/common/text_input_client_messages.h"
 #include "content/renderer/render_view_impl.h"
-#include "ipc/ipc_message_macros.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/mac/WebSubstringUtil.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebPoint.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebRect.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
 #include "ui/gfx/rect.h"
 
+namespace content {
+
 TextInputClientObserver::TextInputClientObserver(RenderViewImpl* render_view)
-    : content::RenderViewObserver(render_view),
+    : RenderViewObserver(render_view),
       render_view_impl_(render_view) {
 }
 
 TextInputClientObserver::~TextInputClientObserver() {
 }
 
 bool TextInputClientObserver::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(TextInputClientObserver, message)
     IPC_MESSAGE_HANDLER(TextInputClientMsg_CharacterIndexForPoint,
@@ skipping 34 matching lines @@
       WebKit::WebSubstringUtil::attributedSubstringInRange(
           webview()->focusedFrame(), range.start(), range.length());
   scoped_ptr<const mac::AttributedStringCoder::EncodedString> encoded(
       mac::AttributedStringCoder::Encode(string));
   Send(new TextInputClientReplyMsg_GotStringForRange(routing_id(),
       *encoded.get()));
 #else
   NOTIMPLEMENTED();
 #endif
 }
+
+}  // namespace content