Pass name of a devtools extension when adding it to DevTools.

chrome/browser/debugger/devtools_window.cc

Index: chrome/browser/debugger/devtools_window.cc
diff --git a/chrome/browser/debugger/devtools_window.cc b/chrome/browser/debugger/devtools_window.cc
index 7ef6126e0f7e1ee0c2a60a7439ba3dddcab9d914..e43ed939c19fec37c26c4bb7994a677fdd67e3b8 100644
--- a/chrome/browser/debugger/devtools_window.cc
+++ b/chrome/browser/debugger/devtools_window.cc
@@ -403,6 +403,7 @@ void DevToolsWindow::AddDevToolsExtensionsToClient() {
     DictionaryValue* extension_info = new DictionaryValue();
     extension_info->Set("startPage",
         new StringValue((*extension)->devtools_url().spec()));
+    extension_info->Set("name", new StringValue((*extension)->name()));
     results.Append(extension_info);
   }
   CallClientFunction(ASCIIToUTF16("WebInspector.addExtensions"), results);