Pass the RenderProcessHost id on retargeting.

components/web_contents_delegate_android/web_contents_delegate_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 "components/web_contents_delegate_android/web_contents_delegate_android.h"
 
 #include <android/keycodes.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
@@ skipping 191 matching lines @@
 
 bool WebContentsDelegateAndroid::OnGoToEntryOffset(int offset) {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
   if (obj.is_null())
     return true;
   return Java_WebContentsDelegateAndroid_onGoToEntryOffset(env, obj, offset);
 }
 
 void WebContentsDelegateAndroid::WebContentsCreated(
-    WebContents* source_contents, int opener_render_frame_id,
-    const std::string& frame_name, const GURL& target_url,
+    WebContents* source_contents,
+    int opener_render_process_id,
+    int opener_render_frame_id,
+    const std::string& frame_name,
+    const GURL& target_url,
     WebContents* new_contents) {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
   if (obj.is_null())
     return;
 
   ScopedJavaLocalRef<jobject> jsource_contents;
   if (source_contents)
     jsource_contents = source_contents->GetJavaWebContents();
   ScopedJavaLocalRef<jobject> jnew_contents;
   if (new_contents)
     jnew_contents = new_contents->GetJavaWebContents();
 
   Java_WebContentsDelegateAndroid_webContentsCreated(

[Charlie Reis, 2016/10/03 22:15:23]

I won't ask you to dive into this in this CL, but Android appears to be at risk
of this bug as well.

[nasko, 2016/10/03 22:38:04]

I'll file a bug to get this fixed or do it in a separate CL.

       env, obj, jsource_contents, opener_render_frame_id,
       base::android::ConvertUTF8ToJavaString(env, frame_name),
       base::android::ConvertUTF8ToJavaString(env, target_url.spec()),
       jnew_contents);
 }
 
 void WebContentsDelegateAndroid::CloseContents(WebContents* source) {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
   if (obj.is_null())
@@ skipping 166 matching lines @@
     validation_message_bubble_->SetPositionRelativeToAnchor(
         rwhv->GetRenderWidgetHost(), anchor_in_root_view);
   }
 }
 
 void WebContentsDelegateAndroid::RequestAppBannerFromDevTools(
     content::WebContents* web_contents) {
 }
 
 }  // namespace web_contents_delegate_android