Get rid of a few more interfaces from RenderViewHostDelegate that aren't need...

chrome/browser/download/save_package.cc

Index: chrome/browser/download/save_package.cc
===================================================================
--- chrome/browser/download/save_package.cc	(revision 72441)
+++ chrome/browser/download/save_package.cc	(working copy)
@@ -44,6 +44,7 @@
 #include "chrome/common/notification_service.h"
 #include "chrome/common/notification_type.h"
 #include "chrome/common/pref_names.h"
+#include "chrome/common/render_messages.h"
 #include "chrome/common/url_constants.h"
 #include "grit/generated_resources.h"
 #include "net/base/io_buffer.h"
@@ -899,6 +900,18 @@
   }
 }
 
+bool SavePackage::OnMessageReceived(const IPC::Message& message) {
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP(SavePackage, message)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_SendCurrentPageAllSavableResourceLinks,
+                        OnReceivedSavableResourceLinksForCurrentPage)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_SendSerializedHtmlData,
+                        OnReceivedSerializedHtmlData)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+  return handled;
+}
+
 // After finishing all SaveItems which need to get data from net.
 // We collect all URLs which have local storage and send the
 // map:(originalURL:currentLocalPath) to render process (backend).