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 314224d1db28d8603f726f18216625037169f353..952f28e17c49c1ac966200932e559f54c0881bb3 100644
--- a/chrome/renderer/render_view.h
+++ b/chrome/renderer/render_view.h
@@ -942,6 +942,7 @@ 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();