Move GcmApi test cases into separate subdir in order to use RunExtensionTest

chrome/test/data/extensions/api_test/gcm/functions/register_validation.js

-// Copyright 2013 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.
-
-onload = function() {
-  function generateSenderIds(size) {
-    var senders = [];
-    for (var i = 0; i < size; i++) {
-      senders.push("Sender" + i);
-    }
-    return senders;
-  }
-
-  function toArrayDefinitionString(senderIds) {
-    var idsString = "[";
-    senderIds.forEach(function(element, index) {
-      if (index > 0) idsString += ", ";
-        idsString += "\"" + element + "\"";
-    });
-    idsString += "]";
-    return idsString;
-  }
-
-  function registerSuccessfully(senderIds) {
-    chrome.gcm.register(senderIds, function(registrationId) {
-      chrome.test.assertEq("" + senderIds.length, registrationId);
-      chrome.test.succeed();
-    });
-  }
-
-  function registerInvalidParameters(senderIds) {
-    try {
-      chrome.gcm.register(senderIds, function(registrationId) {
-        chrome.test.fail("Arguments: " + toArrayDefinitionString(senderIds));
-      });
-    } catch (e) {
-      chrome.test.succeed();
-    };
-  }
-
-  chrome.test.runTests([
-    function successWithOneSender() {
-      registerSuccessfully(generateSenderIds(1));
-    },
-    function successWithMultipleSenders() {
-      registerSuccessfully(generateSenderIds(10));
-    },
-    function successWithMaxSenders() {
-      registerSuccessfully(generateSenderIds(100));
-    },
-    function failureWithNoSenders() {
-      registerInvalidParameters([]);
-    },
-    function failureWithEmptySenderOnly() {
-      registerInvalidParameters([""]);
-    },
-    function failureWithEmptySender() {
-      registerInvalidParameters(["good", ""]);
-    },
-    function failureWithTooManySenders() {
-      registerInvalidParameters(generateSenderIds(101));
-    }
-  ]);
-};