Expands the chrome.experimental.processes extension API....

chrome/test/data/extensions/api_test/permissions/enabled/background.html

 <script>
 // All of the calls to chrome.* functions should succeed, since this extension 
 // has requested all required permissions.
 
 var pass = chrome.test.callbackPass;
 
 chrome.test.runTests([
   function experimental() {
     // Test that use of an experimental API works.  
     // If/when chrome.experimental.processes is moved out of 
     // experimental, this test needs to be updated.
     chrome.tabs.getSelected(null, function(tab) {
       try {
-        chrome.experimental.processes.getProcessForTab(
-          tab.id, pass(function(process) {}));
+        chrome.experimental.processes.getProcessIdForTab(
+          tab.id, pass(function(pid) {}));
       } catch (e) {
         chrome.test.fail();
       }
     });
   },
 
   function history() {
     try {
       var query = { 'text': '', 'maxResults': 1 };
       chrome.history.search(query, pass(function(results) {}));
@@ skipping 12 matching lines @@
 
   function tabs() {
     try {
       chrome.tabs.getSelected(null, pass(function(results) {}));
     } catch (e) {
       chrome.test.fail();
     }
   }
 ]);
 </script>