Add "previewing on hover" support for single-field autocomplete input

components/autofill/content/browser/autofill_driver_impl.h

Index: components/autofill/content/browser/autofill_driver_impl.h
diff --git a/components/autofill/content/browser/autofill_driver_impl.h b/components/autofill/content/browser/autofill_driver_impl.h
index 6fa1b41e10c22a4124ce31b532be98d5d2179c1a..f2a15bdec02d599456e9ea9ca55dc90eca245796 100644
--- a/components/autofill/content/browser/autofill_driver_impl.h
+++ b/components/autofill/content/browser/autofill_driver_impl.h
@@ -58,7 +58,10 @@ class AutofillDriverImpl : public AutofillDriver,
       const base::string16& username) OVERRIDE;
   virtual void RendererShouldClearFilledForm() OVERRIDE;
   virtual void RendererShouldClearPreviewedForm() OVERRIDE;
-  virtual void RendererShouldSetNodeText(const base::string16& value) OVERRIDE;
+  virtual void RendererShouldFillFieldWithValue(
+      const base::string16& value) OVERRIDE;
+  virtual void RendererShouldPreviewFieldWithValue(
+      const base::string16& value) OVERRIDE;
 
   // Returns the WebContents with which this instance is associated.
   content::WebContents* GetWebContents();