Log NTP hovers in 1993 clients

chrome/browser/ui/search/instant_ntp.h

Index: chrome/browser/ui/search/instant_ntp.h
diff --git a/chrome/browser/ui/search/instant_ntp.h b/chrome/browser/ui/search/instant_ntp.h
index e6b10ad6a15c029e0000ef938e251fd6f7b52673..e60ba3ccafa953dd7fa8a80172286d115b0f0a9f 100644
--- a/chrome/browser/ui/search/instant_ntp.h
+++ b/chrome/browser/ui/search/instant_ntp.h
@@ -37,6 +37,12 @@ class InstantNTP : public InstantPage,
   // the page is about to be committed.
   scoped_ptr<content::WebContents> ReleaseContents();
 
+  // Used to log each time the user mouses over NTP tiles or titles.
+  void LogIframeHover(content::WebContents* contents);

[Jered, 2013/06/28 16:24:17]

Using both "IframeHover" and "mouseover" makes it seem like these are counting
two different things. Instead, how about CountMouseover() and
EmitMouseoverCount().

+
+  // Used to log in UMA the total number of mouseovers over NTP tiles/titles.
+  void LogTotalMouseovers(content::WebContents* contents);
+
  private:
   // Overriden from InstantLoader::Delegate:
   virtual void OnSwappedContents() OVERRIDE;