Introduce a new API to handle native notification clicks

chrome/browser/notifications/notification_platform_bridge_mac_unittest.mm

 // Copyright 2016 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.
 
 #import <AppKit/AppKit.h>
 
 #include "base/mac/scoped_nsobject.h"
+#include "chrome/browser/notifications/notification_common.h"
 #include "chrome/browser/notifications/notification_platform_bridge_mac.h"
 #include "chrome/browser/ui/cocoa/notifications/notification_builder_mac.h"
 #include "chrome/browser/ui/cocoa/notifications/notification_constants_mac.h"
 #include "chrome/browser/ui/cocoa/notifications/notification_response_builder_mac.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 NSMutableDictionary* BuildDefaultNotificationResponse() {
   base::scoped_nsobject<NotificationBuilder> builder(
       [[NotificationBuilder alloc] init]);
   [builder setTitle:@"Title"];
   [builder setSubTitle:@"https://www.miguel.com"];
   [builder setOrigin:@"https://www.miguel.com/"];
   [builder setContextMessage:@""];
   [builder setButtons:@"Button1" secondaryButton:@"Button2"];
   [builder setTag:@"tag1"];
   [builder setIcon:[NSImage imageNamed:@"NSApplicationIcon"]];
   [builder setNotificationId:@"notificationId"];
   [builder setProfileId:@"profileId"];
   [builder setIncognito:false];
+  [builder
+      setNotificationType:[NSNumber
+                              numberWithInt:static_cast<
+                                                NotificationCommon::Type>(0)]];
 
   NSUserNotification* notification = [builder buildUserNotification];
   return [NSMutableDictionary
       dictionaryWithDictionary:[NotificationResponseBuilder
                                    buildDictionary:notification]];
 }
 
 }  // namespace
 
 TEST(NotificationPlatformBridgeMacTest, TestNotificationValidResponse) {
   NSDictionary* response = BuildDefaultNotificationResponse();
   EXPECT_TRUE(NotificationPlatformBridgeMac::VerifyNotificationData(response));
 }
 
+TEST(NotificationPlatformBridgeMacTest, TestNotificationUnknownType) {
+  NSMutableDictionary* response = BuildDefaultNotificationResponse();
+  [response setValue:[NSNumber numberWithInt:210581]
+              forKey:notification_constants::kNotificationType];
+  EXPECT_FALSE(NotificationPlatformBridgeMac::VerifyNotificationData(response));
+}
+
 TEST(NotificationPlatformBridgeMacTest, TestNotificationUnknownOperation) {
   NSMutableDictionary* response = BuildDefaultNotificationResponse();
   [response setValue:[NSNumber numberWithInt:40782]
               forKey:notification_constants::kNotificationOperation];
   EXPECT_FALSE(NotificationPlatformBridgeMac::VerifyNotificationData(response));
 }
 
 TEST(NotificationPlatformBridgeMacTest, TestNotificationMissingOperation) {
   NSMutableDictionary* response = BuildDefaultNotificationResponse();
   [response removeObjectForKey:notification_constants::kNotificationOperation];
@@ skipping 29 matching lines @@
 TEST(NotificationPlatformBridgeMacTest, TestNotificationOrigin) {
   NSMutableDictionary* response = BuildDefaultNotificationResponse();
   [response setValue:@"invalidorigin"
               forKey:notification_constants::kNotificationOrigin];
   EXPECT_FALSE(NotificationPlatformBridgeMac::VerifyNotificationData(response));
 
   // If however the origin is not present the response should be fine.
   [response removeObjectForKey:notification_constants::kNotificationOrigin];
   EXPECT_TRUE(NotificationPlatformBridgeMac::VerifyNotificationData(response));
 }