Upstream chromium side of modal dialogs for webview.

chrome/browser/component/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 "chrome/browser/component/web_contents_delegate_android/web_contents_delegate_android.h"
 
 #include <android/keycodes.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
@@ skipping 20 matching lines @@
 using base::android::HasClass;
 using base::android::ScopedJavaLocalRef;
 using content::DownloadItem;
 using content::JavaScriptDialogCreator;
 using content::RenderViewHost;
 using content::WebContents;
 
 namespace web_contents_delegate_android {
 
 WebContentsDelegateAndroid::WebContentsDelegateAndroid(JNIEnv* env, jobject obj)
-    : weak_java_delegate_(env, obj),
-      javascript_dialog_creator_(NULL) {
+    : weak_java_delegate_(env, obj) {
 }
 
 WebContentsDelegateAndroid::~WebContentsDelegateAndroid() {
 }
 
 ScopedJavaLocalRef<jobject>
 WebContentsDelegateAndroid::GetJavaDelegate(JNIEnv* env) const {
   return weak_java_delegate_.get(env);
 }
 
@@ skipping 276 matching lines @@
 
 bool WebContentsDelegateAndroid::TakeFocus(WebContents* source, bool reverse) {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
   if (obj.is_null())
     return WebContentsDelegate::TakeFocus(source, reverse);
   return Java_WebContentsDelegateAndroid_takeFocus(
       env, obj.obj(), reverse);
 }
 
-JavaScriptDialogCreator*
-    WebContentsDelegateAndroid::GetJavaScriptDialogCreator() {
-  return javascript_dialog_creator_;
-}
-
 // ----------------------------------------------------------------------------
 // Native JNI methods
 // ----------------------------------------------------------------------------
 
 // Register native methods
 
 bool RegisterWebContentsDelegateAndroid(JNIEnv* env) {
   if (!HasClass(env, kWebContentsDelegateAndroidClassPath)) {
     DLOG(ERROR) << "Unable to find class WebContentsDelegateAndroid!";
     return false;
   }
   return RegisterNativesImpl(env);
 }
 
 }  // namespace web_contents_delegate_android