Prerender: NoStatePrefetch browser side changes.

chrome/browser/prerender/prerender_contents.cc

Index: chrome/browser/prerender/prerender_contents.cc
diff --git a/chrome/browser/prerender/prerender_contents.cc b/chrome/browser/prerender/prerender_contents.cc
index 18f221b42f3f1401325efad0b7a540ea868b8f59..bbe868be451199e97920fbf614f5d8d8fa68696e 100644
--- a/chrome/browser/prerender/prerender_contents.cc
+++ b/chrome/browser/prerender/prerender_contents.cc
@@ -196,7 +196,8 @@ PrerenderContents::PrerenderContents(
     const GURL& url,
     const content::Referrer& referrer,
     Origin origin)
-    : prerendering_has_started_(false),
+    : prerender_mode_(FULL_PRERENDER),
+      prerendering_has_started_(false),
       session_storage_namespace_id_(-1),
       prerender_manager_(prerender_manager),
       prerender_url_(url),
@@ -217,6 +218,11 @@ bool PrerenderContents::Init() {
   return AddAliasURL(prerender_url_);
 }
 
+void PrerenderContents::SetPrerenderMode(PrerenderMode mode) {
+  DCHECK(!prerendering_has_started_);
+  prerender_mode_ = mode;
+}
+
 // static
 PrerenderContents::Factory* PrerenderContents::CreateFactory() {
   return new PrerenderContentsFactoryImpl();
@@ -513,7 +519,7 @@ void PrerenderContents::RenderFrameCreated(
   // occur.  Note that this is always triggered before the first navigation, so
   // there's no need to send the message just after the WebContents is created.
   render_frame_host->Send(new PrerenderMsg_SetIsPrerendering(
-      render_frame_host->GetRoutingID(), FULL_PRERENDER));
+      render_frame_host->GetRoutingID(), prerender_mode_));

[mmenke, 2016/08/22 14:17:58]

Is this hooked up, renderer-side yet?  If so, we should have a browser test for
it, I think.

[mattcary, 2016/08/23 10:53:56]

No, that's in droger@'s cl. I'm working on the browser tests right now in
parallel :)

 }
 
 void PrerenderContents::DidStopLoading() {