Hide knowledge of webkit::ppapi::PluginDelegate from chrome. This is part of moving ppapi implement…

chrome/browser/ui/pdf/pdf_tab_helper.cc

Index: chrome/browser/ui/pdf/pdf_tab_helper.cc
===================================================================
--- chrome/browser/ui/pdf/pdf_tab_helper.cc	(revision 212906)
+++ chrome/browser/ui/pdf/pdf_tab_helper.cc	(working copy)
@@ -4,12 +4,14 @@
 
 #include "chrome/browser/ui/pdf/pdf_tab_helper.h"
 
+#include "chrome/browser/download/download_util.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/omnibox/location_bar.h"
 #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 "content/public/browser/navigation_details.h"
 
@@ -32,7 +34,10 @@
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(PDFTabHelper, message)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_PDFHasUnsupportedFeature,
-                        OnPDFHasUnsupportedFeature)
+                        OnHasUnsupportedFeature)
+    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_PDFSaveURLAs, OnSaveURLAs)
+    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_PDFUpdateContentRestrictions,
+                        OnUpdateContentRestrictions)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
@@ -64,6 +69,18 @@
   location_bar->UpdateOpenPDFInReaderPrompt();
 }
 
-void PDFTabHelper::OnPDFHasUnsupportedFeature() {
+void PDFTabHelper::OnHasUnsupportedFeature() {
   PDFHasUnsupportedFeature(web_contents());
 }
+
+void PDFTabHelper::OnSaveURLAs(const GURL& url,
+                               const content::Referrer& referrer) {
+  download_util::RecordDownloadSource(download_util::INITIATED_BY_PDF_SAVE);
+  web_contents()->SaveFrame(url, referrer);
+}
+
+void PDFTabHelper::OnUpdateContentRestrictions(int content_restrictions) {
+  CoreTabHelper* core_tab_helper =
+      CoreTabHelper::FromWebContents(web_contents());
+  core_tab_helper->UpdateContentRestrictions(content_restrictions);
+}