Add testing for subscription from service workers

third_party/WebKit/Source/modules/push_messaging/PushManager.cpp

 // Copyright 2014 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 "modules/push_messaging/PushManager.h"
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "core/dom/DOMException.h"
@@ skipping 20 matching lines @@
 {
     WebPushProvider* webPushProvider = Platform::current()->pushProvider();
     ASSERT(webPushProvider);
     return webPushProvider;
 }
 
 String bufferSourceToString(const ArrayBufferOrArrayBufferView& applicationServerKey, ExceptionState& exceptionState)
 {
     // Check the validity of the sender info. It must be a 65 byte unencrypted key,
     // which has the byte 0x04 as the first byte as a marker.
-    char* input;
+    unsigned char* input;
     int length;
     if (applicationServerKey.isArrayBuffer()) {
-        input = static_cast<char*>(
+        input = static_cast<unsigned char*>(
             applicationServerKey.getAsArrayBuffer()->data());
         length = applicationServerKey.getAsArrayBuffer()->byteLength();
     } else if (applicationServerKey.isArrayBufferView()) {
-        input = static_cast<char*>(
+        input = static_cast<unsigned char*>(
             applicationServerKey.getAsArrayBufferView()->buffer()->data());
         length = applicationServerKey.getAsArrayBufferView()->buffer()->byteLength();
     } else {
         ASSERT_NOT_REACHED();
         return String();
     }
 
+    // If the key is valid, just treat it as a string of bytes and pass it to
+    // the push service.
     if (length == 65 && input[0] == 0x04)
-        return WebString::fromUTF8(input, length);
+        return WebString::fromLatin1(input, length);
+
     exceptionState.throwDOMException(InvalidAccessError, "The provided applicationServerKey is not valid.");
     return String();
 }
 
 } // namespace
 
 PushManager::PushManager(ServiceWorkerRegistration* registration)
     : m_registration(registration)
 {
     ASSERT(registration);
@@ skipping 60 matching lines @@
     pushProvider()->getPermissionStatus(m_registration->webRegistration(), toWebPushSubscriptionOptions(options, exceptionState), new PushPermissionStatusCallbacks(resolver));
     return promise;
 }
 
 DEFINE_TRACE(PushManager)
 {
     visitor->trace(m_registration);
 }
 
 } // namespace blink