[Android] Upstream Modal Dialogs functionality

chrome/browser/android/js_result_handler.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/android/js_result_handler.h"
+
+#include "base/android/jni_string.h"
+#include "chrome/browser/ui/app_modal_dialogs/javascript_app_modal_dialog.h"
+#include "jni/JsResultHandler_jni.h"
+#include "content/public/browser/android/content_view_core.h"
+
+using base::android::ConvertJavaStringToUTF16;
+using content::ContentViewCore;
+
+bool RegisterJsResultHandler(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+void ConfirmJsResult(JNIEnv* env,
+                     jobject obj,
+                     jint dialogPointer,
+                     jstring promptResult) {
+  JavaScriptAppModalDialog* dialog_ =
+      reinterpret_cast<JavaScriptAppModalDialog*>(dialogPointer);
+  string16 prompt_text;
+  if (promptResult) {
+    prompt_text = base::android::ConvertJavaStringToUTF16(
+        env,
+        promptResult);
+  }
+  dialog_->OnAccept(prompt_text, false);
+}
+
+void CancelJsResult(JNIEnv* env, jobject obj, jint dialogPointer) {
+  JavaScriptAppModalDialog* dialog_ =
+      reinterpret_cast<JavaScriptAppModalDialog*>(dialogPointer);
+  dialog_->OnCancel(false);
+}
+
+base::android::ScopedJavaLocalRef<jobject> createJsResultHandler(
+    JNIEnv* env,
+    AppModalDialog* dialog) {
+  return Java_JsResultHandler_create(env, reinterpret_cast<jint>(dialog));
+}
+
+void setJsResultHandledByNative(JNIEnv* env, jobject obj) {
+  Java_JsResultHandler_setHandledByNative(env, obj);
+}
+
+bool clientHasCalledConfirmOrCancel(JNIEnv* env, jobject obj) {
+  return Java_JsResultHandler_clientHasCalledConfirmOrCancel(env, obj);
+}