Move notifications only used in chrome/ to chrome/, renames one notification for clarity.

BUG=137741
TEST=compiles

Review URL: https://chromiumcodereview.appspot.com/10779042

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@147307 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/prerender/prerender_contents.cc b/chrome/browser/prerender/prerender_contents.cc
index 0b3e1b9..d77be83 100644
--- a/chrome/browser/prerender/prerender_contents.cc
+++ b/chrome/browser/prerender/prerender_contents.cc
@@ -358,7 +358,7 @@
 
   // Register to inform new RenderViews that we're prerendering.
   notification_registrar_.Add(
-      this, content::NOTIFICATION_RENDER_VIEW_HOST_CREATED_FOR_TAB,
+      this, content::NOTIFICATION_WEB_CONTENTS_RENDER_VIEW_HOST_CREATED,
       content::Source<WebContents>(new_contents));
 
   // Register for redirect notifications sourced from |this|.
@@ -458,7 +458,7 @@
       break;
     }
 
-    case content::NOTIFICATION_RENDER_VIEW_HOST_CREATED_FOR_TAB: {
+    case content::NOTIFICATION_WEB_CONTENTS_RENDER_VIEW_HOST_CREATED: {
       if (prerender_contents_.get()) {
         DCHECK_EQ(content::Source<WebContents>(source).ptr(),
                   prerender_contents_->web_contents());