Add contextual search to the template url system

chrome/browser/search_engines/prepopulated_engines.json

Index: chrome/browser/search_engines/prepopulated_engines.json
diff --git a/chrome/browser/search_engines/prepopulated_engines.json b/chrome/browser/search_engines/prepopulated_engines.json
index ba95b3e70e160fe5a8bfdbdf41825134d34931c5..624bbc852e7b359ce3e888b1c0fd602bd282b3a3 100644
--- a/chrome/browser/search_engines/prepopulated_engines.json
+++ b/chrome/browser/search_engines/prepopulated_engines.json
@@ -27,7 +27,7 @@
 
     // Increment this if you change the data in ways that mean users with
     // existing data should get a new version.
-    "kCurrentDataVersion": 75
+    "kCurrentDataVersion": 76
   },
 
   // The following engines are included in country lists and are added to the
@@ -525,11 +525,12 @@
       "name": "Google",
       "keyword": "google.com",
       "favicon_url": "http://www.google.com/favicon.ico",
-      "search_url": "{google:baseURL}search?q={searchTerms}&{google:RLZ}{google:originalQueryForSuggestion}{google:assistedQueryStats}{google:searchFieldtrialParameter}{google:bookmarkBarPinned}{google:searchClient}{google:sourceId}{google:instantExtendedEnabledParameter}{google:omniboxStartMarginParameter}ie={inputEncoding}",
+      "search_url": "{google:baseURL}search?q={searchTerms}&{google:RLZ}{google:originalQueryForSuggestion}{google:assistedQueryStats}{google:searchFieldtrialParameter}{google:bookmarkBarPinned}{google:searchClient}{google:sourceId}{google:instantExtendedEnabledParameter}{google:omniboxStartMarginParameter}{google:contextualSearchVersion}ie={inputEncoding}",
       "suggest_url": "{google:baseSuggestURL}search?{google:searchFieldtrialParameter}client={google:suggestClient}&gs_ri={google:suggestRid}&xssi=t&q={searchTerms}&{google:cursorPosition}{google:currentPageUrl}{google:pageClassification}{google:searchVersion}{google:sessionToken}sugkey={google:suggestAPIKeyParameter}",
       "instant_url": "{google:baseURL}webhp?sourceid=chrome-instant&{google:RLZ}{google:forceInstantResults}{google:instantExtendedEnabledParameter}{google:ntpIsThemedParameter}{google:omniboxStartMarginParameter}ie={inputEncoding}",
       "image_url": "{google:baseURL}searchbyimage/upload",
       "new_tab_url": "{google:baseURL}_/chrome/newtab?{google:RLZ}{google:instantExtendedEnabledParameter}{google:ntpIsThemedParameter}ie={inputEncoding}",
+      "contextual_search_url": "{google:baseURL}_/contextualsearch?{google:contextualSearchVersion}{google:contextualSearchContextData}",
       "image_url_post_params": "encoded_image={google:imageThumbnail},image_url={google:imageURL},sbisrc={google:imageSearchSource},original_width={google:imageOriginalWidth},original_height={google:imageOriginalHeight}",
       "alternate_urls": [
         "{google:baseURL}#q={searchTerms}",