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

tools/json_schema_compiler/test/tabs.json

Index: tools/json_schema_compiler/test/tabs.json
diff --git a/tools/json_schema_compiler/test/tabs.json b/tools/json_schema_compiler/test/tabs.json
index 1069eb66d88ba3c1630df1c8b6641afdfc268f2a..af0910add01553145b1c079bf082bb9285c6e7c2 100644
--- a/tools/json_schema_compiler/test/tabs.json
+++ b/tools/json_schema_compiler/test/tabs.json
@@ -63,7 +63,7 @@
         "name": "connect",
         "nocompile": true,
         "type": "function",
-        "description": "Connects to the content script(s) in the specified tab. The <a href='extension.html#event-onConnect'>chrome.extension.onConnect</a> event is fired in each content script running in the specified tab for the current extension. For more details, see <a href='content_scripts.html#messaging'>Content Script Messaging</a>.",
+        "description": "Connects to the content script(s) in the specified tab. The <a href='extension.html#event-onConnect'>chrome.runtime.onConnect</a> event is fired in each content script running in the specified tab for the current extension. For more details, see <a href='content_scripts.html#messaging'>Content Script Messaging</a>.",
         "parameters": [
           {
             "type": "integer",
@@ -107,7 +107,7 @@
               {
                 "name": "response",
                 "type": "any",
-                "description": "The JSON response object sent by the handler of the request. If an error occurs while connecting to the specified tab, the callback will be called with no arguments and <a href='extension.html#property-lastError'>chrome.extension.lastError</a> will be set to the error message."
+                "description": "The JSON response object sent by the handler of the request. If an error occurs while connecting to the specified tab, the callback will be called with no arguments and <a href='extension.html#property-lastError'>chrome.runtime.lastError</a> will be set to the error message."
               }
             ]
           }