pdf: Move PepperPDFHost into the pdf component.

components/pdf/renderer/pepper_pdf_host.h

-// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Copyright 2014 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.
 
-#ifndef CHROME_RENDERER_PEPPER_PEPPER_PDF_HOST_H_
-#define CHROME_RENDERER_PEPPER_PEPPER_PDF_HOST_H_
+#ifndef COMPONENTS_PDF_RENDERER_PEPPER_PDF_HOST_H_
+#define COMPONENTS_PDF_RENDERER_PEPPER_PDF_HOST_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/strings/string16.h"
 #include "ipc/ipc_platform_file.h"
 #include "ppapi/c/ppb_image_data.h"
 #include "ppapi/c/private/ppb_pdf.h"
 #include "ppapi/host/resource_host.h"
@@ skipping 10 matching lines @@
 namespace ppapi {
 class HostResource;
 }
 
 namespace ppapi {
 namespace host {
 struct HostMessageContext;
 }
 }
 
+namespace pdf {
+
 class PepperPDFHost : public ppapi::host::ResourceHost {
  public:
   PepperPDFHost(content::RendererPpapiHost* host,
                 PP_Instance instance,
                 PP_Resource resource);
   virtual ~PepperPDFHost();
 
   virtual int32_t OnResourceMessageReceived(
       const IPC::Message& msg,
       ppapi::host::HostMessageContext* context) OVERRIDE;
@@ skipping 28 matching lines @@
                        ppapi::HostResource* result,
                        PP_ImageDataDesc* out_image_data_desc,
                        IPC::PlatformFileForTransit* out_image_handle,
                        uint32_t* out_byte_count);
 
   content::RendererPpapiHost* host_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperPDFHost);
 };
 
-#endif  // CHROME_RENDERER_PEPPER_PEPPER_PDF_HOST_H_
+}  // namespace pdf
+
+#endif  // COMPONENTS_PDF_RENDERER_PEPPER_PDF_HOST_H_