Remove "Search by Image" feature on Chrome for Android.

chrome/browser/search_engines/template_url_service_android.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/search_engines/template_url_service_android.h"
 
 #include "base/android/jni_string.h"
 #include "base/bind.h"
 #include "base/format_macros.h"
 #include "base/strings/stringprintf.h"
@@ skipping 72 matching lines @@
 
 jint TemplateUrlServiceAndroid::GetTemplateUrlCount(JNIEnv* env, jobject obj) {
   return template_url_service_->GetTemplateURLs().size();
 }
 
 jboolean TemplateUrlServiceAndroid::IsSearchProviderManaged(JNIEnv* env,
                                                             jobject obj) {
   return template_url_service_->is_default_search_managed();
 }
 
-jboolean TemplateUrlServiceAndroid::IsSearchByImageAvailable(JNIEnv* env,
-                                                             jobject obj) {
-  const TemplateURL* default_search_provider =
-      template_url_service_->GetDefaultSearchProvider();
-  return default_search_provider &&
-      !default_search_provider->image_url().empty() &&
-      default_search_provider->image_url_ref().IsValid(
-          template_url_service_->search_terms_data());
-}
-
 jboolean TemplateUrlServiceAndroid::IsDefaultSearchEngineGoogle(JNIEnv* env,
                                                                 jobject obj) {
   TemplateURL* default_search_provider =
       template_url_service_->GetDefaultSearchProvider();
   return default_search_provider &&
       default_search_provider->url_ref().HasGoogleBaseURLs(
           template_url_service_->search_terms_data());
 }
 
 base::android::ScopedJavaLocalRef<jobject>
@@ skipping 147 matching lines @@
 static jlong Init(JNIEnv* env, const JavaParamRef<jobject>& obj) {
   TemplateUrlServiceAndroid* template_url_service_android =
       new TemplateUrlServiceAndroid(env, obj);
   return reinterpret_cast<intptr_t>(template_url_service_android);
 }
 
 // static
 bool TemplateUrlServiceAndroid::Register(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }