Don't show "Inspect Element" in the context menu if we can't inspect.

chrome/browser/browser_main.cc

Index: chrome/browser/browser_main.cc
diff --git a/chrome/browser/browser_main.cc b/chrome/browser/browser_main.cc
index b1fddf6faabb3667a3b7c3a960f1113528f919c9..d6dd7e2dfaaf4fa568538127de0d4e4878bf2687 100644
--- a/chrome/browser/browser_main.cc
+++ b/chrome/browser/browser_main.cc
@@ -782,6 +782,10 @@ int BrowserMain(const MainFunctionParams& parameters) {
   if (parsed_command_line.HasSwitch(switches::kEnableWebResources))
     profile->InitWebResources();
 
+  // Stat the directory with the inspector's files so that we can know if we
+  // should display the entry in the context menu or not.
+  browser_process->CheckForInspectorFiles();
+
   int result_code = ResultCodes::NORMAL_EXIT;
   if (parameters.ui_task) {
     // We are in test mode. Run one task and enter the main message loop.