Prerender: Allow on low end devices for ORIGIN_OFFLINE

chrome/browser/prerender/prerender_manager.h

Index: chrome/browser/prerender/prerender_manager.h
diff --git a/chrome/browser/prerender/prerender_manager.h b/chrome/browser/prerender/prerender_manager.h
index 218e9b7ebf9f97990532f397e0dfba5d1a821cff..0b97173c27fdaaa3ffb44e8fe3e4e1c4193480aa 100644
--- a/chrome/browser/prerender/prerender_manager.h
+++ b/chrome/browser/prerender/prerender_manager.h
@@ -384,6 +384,9 @@ class PrerenderManager : public base::SupportsWeakPtr<PrerenderManager>,
   // shorten the TTL of the prerendered page.
   void SourceNavigatedAway(PrerenderData* prerender_data);
 
+  // Same as base::SysInfo::IsLowEndDevice(), overridden in tests.
+  virtual bool IsLowEndDevice() const;

[dougarnett, 2016/08/03 15:39:21]

+1 for making this testable

+
  private:
   friend class PrerenderBrowserTest;
   friend class PrerenderContents;