[Android] Upstream Modal Dialogs functionality

chrome/browser/android/js_result_handler.h

Index: chrome/browser/android/js_result_handler.h
diff --git a/chrome/browser/android/js_result_handler.h b/chrome/browser/android/js_result_handler.h
new file mode 100644
index 0000000000000000000000000000000000000000..f03cef55a74dfde6ed52a8deae57a0f6cb989ec0
--- /dev/null
+++ b/chrome/browser/android/js_result_handler.h
@@ -0,0 +1,20 @@
+// 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 CHROME_BROWSER_ANDROID_JS_RESULT_HANDLER_H_
+#define CHROME_BROWSER_ANDROID_JS_RESULT_HANDLER_H_
+
+#include "base/android/jni_helper.h"
+#include "base/android/scoped_java_ref.h"
+
+class AppModalDialog;
+
+bool RegisterJsResultHandler(JNIEnv* env);
+
+base::android::ScopedJavaLocalRef<jobject> createJsResultHandler(
+    JNIEnv* env,
+    AppModalDialog* native_dialog_pointer);
+void setJsResultHandledByNative(JNIEnv* env, jobject obj);
+bool clientHasCalledConfirmOrCancel(JNIEnv* env, jobject obj);
+#endif  // CHROME_BROWSER_ANDROID_JS_RESULT_HANDLER_H_