Rename getTabContentses to getExtensionTabs.

chrome/test/data/extensions/good/Extensions/behllobkkfkfnphdnhnkndlbkcpglgmj/1.0.0.0/toolstrip1.html

 <script>
 var isToolstrip = 1;
 // This function is called from the C++ browser test. It does a basic sanity
 // test that we can call extension APIs.
 function testTabsAPI() {
   console.log(chrome.tabs);
 
   chrome.tabs.getAllInWindow(null, function(tabs) {
     window.domAutomationController.send(tabs.length == 1);
   });
@@ skipping 21 matching lines @@
 // This function is called from the C++ browser test. It tests the
 // getBackgroundPage function to make sure it can be used as an extension API.
 // This will pass if getBackgroundPage returns background page view.
 function testgetBackgroundPageAPI() {
   var view = chrome.extension.getBackgroundPage();
   window.domAutomationController.send(view != null &&
                                       view.isBackgroundPage == 1);
 }
 
 // This function is called from the C++ browser test. It tests the
-// getTabContentses function to make sure it can be used as an extension API.
-// This will pass if getTabContentses returns tabcontent view.
-function testgetTabContentsesAPI() {
-  var views = chrome.extension.getTabContentses();
+// getExtensionTabs function to make sure it can be used as an extension API.
+// This will pass if getExtensionTabs returns tabcontent view.
+function testgetExtensionTabsAPI() {
+  var views = chrome.extension.getExtensionTabs();
+  // getTabContentses is here for backwards compatibility
+  var views2 = chrome.extension.getTabContentses();
   window.domAutomationController.send(views.length == 1 &&
-                                      views[0].isTabContents == 1);
+                                      views[0].isTabContents == 1 &&
+                                      views2.length == 1 &&
+                                      views2[0].isTabContents == 1);
 }
 
 </script>
 <select>
   <option>one</option>
   <option>two</option>
   <option>three</option>
 </select>