Add contextual search to the template url system

chrome/browser/search_engines/template_url_service_android.cc

Index: chrome/browser/search_engines/template_url_service_android.cc
diff --git a/chrome/browser/search_engines/template_url_service_android.cc b/chrome/browser/search_engines/template_url_service_android.cc
index e894ca5923f98a3d19bbb6fc9e2dfedbf51a8897..01764d08362d1c88882525eb6b1c9e4acfb83429 100644
--- a/chrome/browser/search_engines/template_url_service_android.cc
+++ b/chrome/browser/search_engines/template_url_service_android.cc
@@ -196,6 +196,23 @@ TemplateUrlServiceAndroid::ReplaceSearchTermsInUrl(JNIEnv* env,
   return base::android::ScopedJavaLocalRef<jstring>(env, NULL);
 }
 
+base::android::ScopedJavaLocalRef<jstring>
+TemplateUrlServiceAndroid::GetUrlForContextualSearchQuery(JNIEnv* env,
+                                                          jobject obj,
+                                                          jstring jquery) {
+  base::string16 query(ConvertJavaStringToUTF16(env, jquery));
+  std::string url;
+
+  if (!query.empty()) {
+    GURL gurl = GetDefaultSearchURLForSearchTerms(GetOriginalProfile(), query);
+    if (google_util::IsGoogleSearchUrl(gurl))
+      gurl = net::AppendQueryParameter(gurl, "ctxs", "1");
+    url = gurl.spec();
+  }
+
+  return ConvertUTF8ToJavaString(env, url);
+}
+
 static jlong Init(JNIEnv* env, jobject obj) {
   TemplateUrlServiceAndroid* template_url_service_android =
       new TemplateUrlServiceAndroid(env, obj);