pdf: Create a separate component for using the pdf pepper plugin.

chrome/browser/ui/pdf/pdf_tab_helper.cc

Index: chrome/browser/ui/pdf/pdf_tab_helper.cc
diff --git a/chrome/browser/ui/pdf/pdf_tab_helper.cc b/chrome/browser/ui/pdf/pdf_tab_helper.cc
index 71edc67de929b744152b539232319c045feaa09d..24a91e75318b84a72fee129210a668885a60a357 100644
--- a/chrome/browser/ui/pdf/pdf_tab_helper.cc
+++ b/chrome/browser/ui/pdf/pdf_tab_helper.cc
@@ -13,7 +13,7 @@
 #include "chrome/browser/ui/pdf/open_pdf_in_reader_prompt_delegate.h"
 #include "chrome/browser/ui/pdf/pdf_unsupported_feature.h"
 #include "chrome/browser/ui/tab_contents/core_tab_helper.h"
-#include "chrome/common/render_messages.h"
+#include "components/pdf/common/pdf_messages.h"
 #include "content/public/browser/navigation_details.h"
 
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(PDFTabHelper);
@@ -34,12 +34,12 @@ void PDFTabHelper::ShowOpenInReaderPrompt(
 bool PDFTabHelper::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(PDFTabHelper, message)
-    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_PDFHasUnsupportedFeature,
+    IPC_MESSAGE_HANDLER(PDFHostMsg_PDFHasUnsupportedFeature,
                         OnHasUnsupportedFeature)
-    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_PDFSaveURLAs, OnSaveURLAs)
-    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_PDFUpdateContentRestrictions,
+    IPC_MESSAGE_HANDLER(PDFHostMsg_PDFSaveURLAs, OnSaveURLAs)
+    IPC_MESSAGE_HANDLER(PDFHostMsg_PDFUpdateContentRestrictions,
                         OnUpdateContentRestrictions)
-    IPC_MESSAGE_HANDLER_DELAY_REPLY(ChromeViewHostMsg_PDFModalPromptForPassword,
+    IPC_MESSAGE_HANDLER_DELAY_REPLY(PDFHostMsg_PDFModalPromptForPassword,
                                     OnModalPromptForPassword)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
@@ -94,7 +94,7 @@ void PDFTabHelper::OnModalPromptForPasswordClosed(
     IPC::Message* reply_message,
     bool success,
     const base::string16& actual_value) {
-  ChromeViewHostMsg_PDFModalPromptForPassword::WriteReplyParams(
+  PDFHostMsg_PDFModalPromptForPassword::WriteReplyParams(
       reply_message, base::UTF16ToUTF8(actual_value));
   Send(reply_message);
 }