[Android] Upstream Modal Dialogs functionality

content/browser/android/content_view_core_impl.h

 // 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.
 
 #ifndef CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_
 #define CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_
 
 #include <vector>
 
 #include "base/android/jni_helper.h"
@@ skipping 95 matching lines @@
   void GoBack(JNIEnv* env, jobject obj);
   void GoForward(JNIEnv* env, jobject obj);
   void GoToOffset(JNIEnv* env, jobject obj, jint offset);
   jdouble GetLoadProgress(JNIEnv* env, jobject obj) const;
   void StopLoading(JNIEnv* env, jobject obj);
   void Reload(JNIEnv* env, jobject obj);
   jboolean NeedsReload(JNIEnv* env, jobject obj);
   void ClearHistory(JNIEnv* env, jobject obj);
   void SetClient(JNIEnv* env, jobject obj, jobject jclient);
   jint EvaluateJavaScript(JNIEnv* env, jobject obj, jstring script);
+  virtual base::android::ScopedJavaLocalRef<jobject> GetJavaObject() OVERRIDE;
+  virtual bool ShouldUseNativeJsModalDialog(
+      content::JavaScriptMessageType type,
+      bool is_before_unload_dialog,
+      const string16& message,
+      const string16& default_value,
+      jobject js_result) OVERRIDE;
   void AddJavascriptInterface(JNIEnv* env,
                               jobject obj,
                               jobject object,
                               jstring name,
                               jboolean require_annotation);
   void RemoveJavascriptInterface(JNIEnv* env, jobject obj, jstring name);
   int GetNavigationHistory(JNIEnv* env, jobject obj, jobject context);
 
   // --------------------------------------------------------------------------
   // Public methods that call to Java via JNI
@@ skipping 82 matching lines @@
   bool tab_crashed_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentViewCoreImpl);
 };
 
 bool RegisterContentViewCore(JNIEnv* env);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_