Run pre-classification checks in the browser before starting client-side phishing detection.

chrome/renderer/render_view.h

Index: chrome/renderer/render_view.h
diff --git a/chrome/renderer/render_view.h b/chrome/renderer/render_view.h
index 92a3577f909f5f2fd29e321d360784b3eb25139c..16ed93eba6ff0fcd6030fafda5d36b002a1a4612 100644
--- a/chrome/renderer/render_view.h
+++ b/chrome/renderer/render_view.h
@@ -938,6 +938,7 @@ class RenderView : public RenderWidget,
   void OnSetZoomLevel(double zoom_level);
   void OnSetZoomLevelForLoadingURL(const GURL& url, double zoom_level);
   void OnShouldClose();
+  void OnStartPhishingDetection(const GURL& url);
   void OnStop();
   void OnStopFinding(const ViewMsg_StopFinding_Params& params);
   void OnThemeChanged();