Add support for tab migration to DialogSurface

content/browser/android/content_view_core_impl.cc

 // Copyright 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 "content/browser/android/content_view_core_impl.h"
 
 #include <stddef.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
@@ skipping 267 matching lines @@
     const base::android::JavaParamRef<jobject>& obj,
     jlong window_android) {
   if (window_android) {
     DCHECK(!view_.GetWindowAndroid());
     ui::WindowAndroid* window =
         reinterpret_cast<ui::WindowAndroid*>(window_android);
     window->AddChild(&view_);
     FOR_EACH_OBSERVER(ContentViewCoreImplObserver,
                       observer_list_,
                       OnAttachedToWindow());
+    Java_ContentViewCore_onAttachedToWindowAndroid(env, obj.obj());
   } else {
     FOR_EACH_OBSERVER(ContentViewCoreImplObserver,
                       observer_list_,
                       OnDetachedFromWindow());
+    Java_ContentViewCore_onDetachedFromWindowAndroid(env, obj.obj());
     view_.RemoveFromParent();
   }
 }
 
 base::android::ScopedJavaLocalRef<jobject>
 ContentViewCoreImpl::GetWebContentsAndroid(JNIEnv* env,
                                            const JavaParamRef<jobject>& obj) {
   return web_contents_->GetJavaWebContents();
 }
 
@@ skipping 1335 matching lines @@
     return ScopedJavaLocalRef<jobject>();
 
   return view->GetJavaObject();
 }
 
 bool RegisterContentViewCore(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace content