Add search_terms_replacement_key field to TemplateURL.

chrome/browser/search_engines/search_terms_data.h

Index: chrome/browser/search_engines/search_terms_data.h
diff --git a/chrome/browser/search_engines/search_terms_data.h b/chrome/browser/search_engines/search_terms_data.h
index 16cd9bca3ff2c7f5bf08b131575af24b503a4303..cbfa1395acb47bf6f4f3c191d3634956c964e097 100644
--- a/chrome/browser/search_engines/search_terms_data.h
+++ b/chrome/browser/search_engines/search_terms_data.h
@@ -55,6 +55,10 @@ class SearchTermsData {
   // Profile, so this can only ever be non-empty for UIThreadSearchTermsData.
   virtual std::string InstantExtendedEnabledParam() const;
 
+  // Returns the parameter key used in InstantExtended URLs. To get the a

[Joao da Silva, 2012/12/13 10:12:26]

To get the

[beaudoin, 2012/12/13 17:14:53]

Done.

+  // "key=value" pair use InstantExtendedEnabledParam().
+  virtual std::string InstantExtendedEnabledKey() const;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(SearchTermsData);
 };