Update references to the extension messaging APIs to point to the "runtime"

chrome/test/data/extensions/api_test/input/test.js

 // Copyright (c) 2011 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.
 
 // experimental.input.virtualKeyboard API test for Chrome
 // browser_tests --gtest_filter=ExtensionApiTest.Input
 
 chrome.test.runTests([
   function sendKeyboardEvent() {
     var e = { 'type': 'keydown', 'keyIdentifier': 'A' };
     chrome.experimental.input.virtualKeyboard.sendKeyboardEvent(e, function() {
-      if (chrome.extension.lastError) {
+      if (chrome.runtime.lastError) {
         // this is expected for now: no one is handling keys yet
         // chrome.test.fail();
       }
       // when the browser is listening to events, we should check that
       // this event was delivered as we expected.  For now, just succeed.
       chrome.test.succeed();
     });
   },
 
   function badKeyIdentifier() {
     var e = { 'type': 'keydown', 'keyIdentifier': 'BogusId' };
     chrome.experimental.input.virtualKeyboard.sendKeyboardEvent(e, function() {
-      if (!chrome.extension.lastError) {
+      if (!chrome.runtime.lastError) {
         chrome.test.fail();
       }
       chrome.test.succeed();
     });
   },
 
   function badEventType() {
     var e = { 'type': 'BAD', 'keyIdentifier': 'A' };
     chrome.experimental.input.virtualKeyboard.sendKeyboardEvent(e, function() {
-      if (!chrome.extension.lastError) {
+      if (!chrome.runtime.lastError) {
         chrome.test.fail();
       }
       chrome.test.succeed();
     });
   },
 
   function unmappedKeyIdentifier() {
     var e = { 'type': 'keydown', 'keyIdentifier': 'Again' };
     chrome.experimental.input.virtualKeyboard.sendKeyboardEvent(e, function() {
-      if (!chrome.extension.lastError) {
+      if (!chrome.runtime.lastError) {
         chrome.test.fail();
       }
       chrome.test.succeed();
     });
   },
 
   function sendKeyboardEventUnicode1() {
     // U+00E1: LATIN SMALL LATTER A WITH ACUTE.
     var e = { 'type': 'keydown', 'keyIdentifier': 'U+00E1' };
     chrome.experimental.input.virtualKeyboard.sendKeyboardEvent(e, function() {
-      if (chrome.extension.lastError) {
+      if (chrome.runtime.lastError) {
         // this is expected for now. See sendKeyboardEvent().
         // chrome.test.fail();
       }
       chrome.test.succeed();
     });
   },
 
   function sendKeyboardEventUnicode2() {
     // U+043A: CYRILLIC SMALL LETTER KA
     var e = { 'type': 'keydown',
               'keyIdentifier': 'U+043a' };  // lower case is also ok.
     chrome.experimental.input.virtualKeyboard.sendKeyboardEvent(e, function() {
-      if (chrome.extension.lastError) {
+      if (chrome.runtime.lastError) {
         // this is expected for now. See sendKeyboardEvent().
         // chrome.test.fail();
       }
       chrome.test.succeed();
     });
   },
 
   function sendKeyboardEventBadUnicode1() {
     var e = { 'type': 'keydown', 'keyIdentifier': 'U+' };
     chrome.experimental.input.virtualKeyboard.sendKeyboardEvent(e, function() {
-      if (!chrome.extension.lastError) {
+      if (!chrome.runtime.lastError) {
         chrome.test.fail();
       }
       chrome.test.succeed();
     });
   },
 
   function sendKeyboardEventBadUnicode2() {
     var e = { 'type': 'keydown', 'keyIdentifier': 'U+1' };
     chrome.experimental.input.virtualKeyboard.sendKeyboardEvent(e, function() {
-      if (!chrome.extension.lastError) {
+      if (!chrome.runtime.lastError) {
         chrome.test.fail();
       }
       chrome.test.succeed();
     });
   },
 
   function sendKeyboardEventBadUnicode3() {
     var e = { 'type': 'keydown', 'keyIdentifier': 'U+111g' };
     chrome.experimental.input.virtualKeyboard.sendKeyboardEvent(e, function() {
-      if (!chrome.extension.lastError) {
+      if (!chrome.runtime.lastError) {
         chrome.test.fail();
       }
       chrome.test.succeed();
     });
   },
 
   function sendKeyboardEventBadUnicode4() {
     var e = { 'type': 'keydown', 'keyIdentifier': 'U+11111' };
     chrome.experimental.input.virtualKeyboard.sendKeyboardEvent(e, function() {
-      if (!chrome.extension.lastError) {
+      if (!chrome.runtime.lastError) {
         chrome.test.fail();
       }
       chrome.test.succeed();
     });
   },
 ]);