Adding the --load-component-extension flag.

chrome/browser/profiles/profile_impl.cc

Index: chrome/browser/profiles/profile_impl.cc
diff --git a/chrome/browser/profiles/profile_impl.cc b/chrome/browser/profiles/profile_impl.cc
index 30c73a5822f240339cc5ee61bd71d2964f562ea8..416006ebe03e2108848a0630f77bce14857c269a 100644
--- a/chrome/browser/profiles/profile_impl.cc
+++ b/chrome/browser/profiles/profile_impl.cc
@@ -417,6 +417,11 @@ void ProfileImpl::InitExtensions(bool extensions_enabled) {
       extensions_enabled));
 
   extension_service_->component_loader()->AddDefaultComponentExtensions();
+  if (command_line->HasSwitch(switches::kLoadComponentExtension)) {

[zel, 2011/11/29 00:19:56]

Can we make this flag load more than one component extension at the time? You
could comma separate component extension paths.

[SeRya, 2011/11/29 01:35:25]

Done.

+    FilePath path = command_line->GetSwitchValuePath(
+        switches::kLoadComponentExtension);
+    extension_service_->component_loader()->AddFromCommandLine(path);
+  }
   extension_service_->Init();
 
   if (extensions_enabled) {