Implement InstanceID API functions.

chrome/test/data/extensions/api_test/instance_id/get_token/get_token.js

Index: chrome/test/data/extensions/api_test/instance_id/get_token/get_token.js
diff --git a/chrome/test/data/extensions/api_test/instance_id/get_token/get_token.js b/chrome/test/data/extensions/api_test/instance_id/get_token/get_token.js
new file mode 100644
index 0000000000000000000000000000000000000000..7a0a1c997c1a302cc59d08feb550049acd551012
--- /dev/null
+++ b/chrome/test/data/extensions/api_test/instance_id/get_token/get_token.js
@@ -0,0 +1,133 @@
+// Copyright 2015 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.
+
+function getTokenWithoutParameters() {
+  try {
+    chrome.instanceID.getToken();
+    chrome.test.fail(
+        "Calling getToken without parameters should fail.");
+  } catch (e) {
+    chrome.test.succeed();
+  };
+}
+
+function getTokenWithoutCallback() {
+  try {
+    chrome.instanceID.getToken({"authorizedEntity": "1", "scope": "GCM"});
+    chrome.test.fail(
+        "Calling getToken without callback should fail.");
+  } catch (e) {
+    chrome.test.succeed();
+  };
+}
+
+function getTokenWithoutAuthorizedEntity() {
+  try {
+    chrome.instanceID.getToken({"scope": "GCM"});
+    chrome.test.fail(
+        "Calling getToken without authorizedEntity parameter should fail.");
+  } catch (e) {
+    chrome.test.succeed();
+  };
+}
+
+function getTokenWithInvalidAuthorizedEntity() {
+  try {
+    chrome.instanceID.getToken({"authorizedEntity": 1, "scope": "GCM"});
+    chrome.test.fail(
+        "Calling getToken with invalid authorizedEntity parameter " +
+        "should fail.");
+  } catch (e) {
+    chrome.test.succeed();
+  };
+}
+
+function getTokenWithoutScope() {
+  try {
+    chrome.instanceID.getToken({"authorizedEntity": "1"});
+    chrome.test.fail(
+        "Calling getToken without scope parameter should fail.");
+  } catch (e) {
+    chrome.test.succeed();
+  };
+}
+
+function getTokenWithInvalidScope() {
+  try {
+    chrome.instanceID.getToken({"authorizedEntity": "1", "scope": 1});
+    chrome.test.fail(
+        "Calling getToken with invalid scope parameter should fail.");
+  } catch (e) {
+    chrome.test.succeed();
+  };
+}
+
+function getTokenWithInvalidOptionValue() {
+  try {
+    chrome.instanceID.getToken(
+      {"authorizedEntity": "1", "scope": "GCM", "options": {"foo": 1}},
+      function(token) {
+        if (chrome.runtime.lastError) {
+          chrome.test.succeed();
+          return;
+        }
+        chrome.test.fail(
+            "Calling getToken with invalid option value should fail.");
+      }
+    );
+  } catch (e) {
+    chrome.test.succeed();
+  };
+}
+
+function getTokenWithoutOptions() {
+  chrome.instanceID.getToken(
+    {"authorizedEntity": "1", "scope": "GCM"},
+    function(token) {
+      if (chrome.runtime.lastError) {
+        chrome.test.fail(
+            "chrome.runtime.lastError: " + chrome.runtime.lastError.message);
+        return;
+      }
+      if (!token) {
+        chrome.test.fail("Empty token returned.");
+        return;
+      }
+
+      chrome.test.succeed();
+    }
+  );
+}
+
+function getTokenWithValidOptions() {
+  chrome.instanceID.getToken(
+    {"authorizedEntity": "1", "scope": "GCM", "options": {"foo": "1"}},
+    function(token) {
+      if (chrome.runtime.lastError) {
+        chrome.test.fail(
+            "chrome.runtime.lastError: " + chrome.runtime.lastError.message);
+        return;
+      }
+      if (!token) {
+        chrome.test.fail("Empty token returned.");
+        return;
+      }
+
+      chrome.test.succeed();
+    }
+  );
+}
+
+chrome.test.runTests([
+  getTokenWithoutParameters,
+  getTokenWithoutCallback,
+  getTokenWithoutAuthorizedEntity,
+  getTokenWithInvalidAuthorizedEntity,
+  getTokenWithoutScope,
+  getTokenWithInvalidScope,
+  getTokenWithInvalidOptionValue,
+  // TODO(jianli): To be enabled when GetToken is implemented.
+  //getTokenWithoutOptions,
+  //getTokenWithValidOptions,
+]);