[Android] Allow setting recently visited search engines as default search engine

chrome/browser/search_engines/template_url_service_android.h

Index: chrome/browser/search_engines/template_url_service_android.h
diff --git a/chrome/browser/search_engines/template_url_service_android.h b/chrome/browser/search_engines/template_url_service_android.h
index af5f38c08a212727731e298448ae5df747711b74..d0e841645d9ef20a27630036309bfeeaebf42ac7 100644
--- a/chrome/browser/search_engines/template_url_service_android.h
+++ b/chrome/browser/search_engines/template_url_service_android.h
@@ -27,7 +27,7 @@ class TemplateUrlServiceAndroid : public TemplateURLServiceObserver {
   void SetUserSelectedDefaultSearchProvider(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& obj,
-      jint selected_index);
+      const base::android::JavaParamRef<jstring>& jkeyword);
   jint GetDefaultSearchProvider(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& obj);
@@ -71,7 +71,7 @@ class TemplateUrlServiceAndroid : public TemplateURLServiceObserver {
   base::android::ScopedJavaLocalRef<jstring> GetSearchEngineUrlFromTemplateUrl(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& obj,
-      jint index);
+      const base::android::JavaParamRef<jstring>& jkeyword);
 
   static bool Register(JNIEnv* env);
 
@@ -93,6 +93,8 @@ class TemplateUrlServiceAndroid : public TemplateURLServiceObserver {
   std::unique_ptr<TemplateURLService::Subscription> template_url_subscription_;
 
   DISALLOW_COPY_AND_ASSIGN(TemplateUrlServiceAndroid);
+
+  std::vector<TemplateURL*> template_url_list;

[Ian Wen, 2016/10/17 23:32:21]

In C++, class member variable should end with "_".

[ltian, 2016/10/18 01:01:55]

Done.

 };
 
 #endif  // CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_SERVICE_ANDROID_H_