Have TabAndroid object implement the SearchTabHelperDelegate to provide the necessary functionality…

chrome/browser/android/tab_android.cc

 // Copyright (c) 2012 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/android/tab_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/debug/trace_event.h"
@@ skipping 288 matching lines @@
   infobar_container->ChangeInfoBarManager(new_infobar_service);
 
   Java_Tab_swapWebContents(
       env,
       weak_java_tab_.get(env).obj(),
       reinterpret_cast<intptr_t>(new_contents),
       did_start_load,
       did_finish_load);
 }
 
+void TabAndroid::OnWebContentsInstantSupportDisabled(
+    const content::WebContents* contents) {
+  DCHECK(contents);
+  if (web_contents() != contents)
+    return;
+
+  JNIEnv* env = base::android::AttachCurrentThread();
+  Java_Tab_onWebContentsInstantSupportDisabled(env,
+                                               weak_java_tab_.get(env).obj());
+}
+
 void TabAndroid::Observe(int type,
                          const content::NotificationSource& source,
                          const content::NotificationDetails& details) {
   JNIEnv* env = base::android::AttachCurrentThread();
   switch (type) {
     case chrome::NOTIFICATION_WEB_CONTENT_SETTINGS_CHANGED: {
       TabSpecificContentSettings* settings =
           TabSpecificContentSettings::FromWebContents(web_contents());
       if (!settings->IsBlockageIndicated(CONTENT_SETTINGS_TYPE_POPUPS)) {
         // TODO(dfalcantara): Create an InfoBarDelegate to keep the
@@ skipping 45 matching lines @@
 
   SetWindowSessionID(session_window_id_.id());
 
   session_tab_id_.set_id(
       SessionTabHelper::FromWebContents(web_contents())->session_id().id());
   ContextMenuHelper::FromWebContents(web_contents())->SetPopulator(
       jcontext_menu_populator);
   WindowAndroidHelper::FromWebContents(web_contents())->
       SetWindowAndroid(content_view_core->GetWindowAndroid());
   CoreTabHelper::FromWebContents(web_contents())->set_delegate(this);
+  SearchTabHelper::FromWebContents(web_contents())->set_delegate(this);
   web_contents_delegate_.reset(
       new chrome::android::ChromeWebContentsDelegateAndroid(
           env, jweb_contents_delegate));
   web_contents_delegate_->LoadProgressChanged(web_contents(), 0);
   web_contents()->SetDelegate(web_contents_delegate_.get());
 
   notification_registrar_.Add(
       this,
       chrome::NOTIFICATION_WEB_CONTENT_SETTINGS_CHANGED,
       content::Source<content::WebContents>(web_contents()));
@@ skipping 260 matching lines @@
 
 static void Init(JNIEnv* env, jobject obj) {
   TRACE_EVENT0("native", "TabAndroid::Init");
   // This will automatically bind to the Java object and pass ownership there.
   new TabAndroid(env, obj);
 }
 
 bool TabAndroid::RegisterTabAndroid(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }