[DevTools] Protocol version 1.2.

chrome/test/data/extensions/api_test/debugger/background.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.
 
 var pass = chrome.test.callbackPass;
 var fail = chrome.test.callbackFail;
 
 var tabId;
 var debuggee;
-var protocolVersion = "1.1";
-var protocolPreviousVersion = "1.0";
+var protocolVersion = "1.2";
+var protocolPreviousVersion = "1.1";
+var unsupportedMinorProtocolVersion = "1.5";
+var unsupportedMajorProtocolVersion = "100.0";
 
 var SILENT_FLAG_REQUIRED = "Cannot attach to this target unless " +
     "'silent-debugger-extension-api' flag is enabled.";
 
 chrome.test.runTests([
 
   function attachMalformedVersion() {
     chrome.tabs.getSelected(null, function(tab) {
       chrome.debugger.attach({tabId: tab.id}, "malformed-version", fail(
           "Requested protocol version is not supported: malformed-version."));
     });
   },
 
   function attachUnsupportedMinorVersion() {
     chrome.tabs.getSelected(null, function(tab) {
-      chrome.debugger.attach({tabId: tab.id}, "1.5",
-          fail("Requested protocol version is not supported: 1.5."));
+      chrome.debugger.attach({tabId: tab.id}, unsupportedMinorProtocolVersion,
+          fail("Requested protocol version is not supported: " +
+              unsupportedMinorProtocolVersion + "."));
     });
   },
 
   function attachUnsupportedVersion() {
     chrome.tabs.getSelected(null, function(tab) {
-      chrome.debugger.attach({tabId: tab.id}, "100.0",
-          fail("Requested protocol version is not supported: 100.0."));
+      chrome.debugger.attach({tabId: tab.id}, unsupportedMajorProtocolVersion,
+          fail("Requested protocol version is not supported: " +
+              unsupportedMajorProtocolVersion + "."));
     });
   },
 
   function attachPreviousVersion() {
     chrome.tabs.getSelected(null, function(tab) {
       debuggee = {tabId: tab.id};
       chrome.debugger.attach(debuggee, protocolPreviousVersion, function() {
         chrome.debugger.detach(debuggee, pass());
       });
     });
@@ skipping 162 matching lines @@
       function onAttach() {
         chrome.debugger.sendCommand(debuggee, "Page.enable");
         chrome.debugger.sendCommand(
             debuggee, "Page.navigate", {url:"about:blank"}, onNavigateDone);
       }
 
       chrome.debugger.attach(debuggee, protocolVersion, onAttach);
     });
   }
 ]);