Adding the --load-component-extension flag.

chrome/common/extensions/extension.cc

Index: chrome/common/extensions/extension.cc
diff --git a/chrome/common/extensions/extension.cc b/chrome/common/extensions/extension.cc
index 1ea3041df5e8058805c7fa94ca67b851288751d1..761b386ada5d48d81e7b5911ed6c50c061fc918e 100644
--- a/chrome/common/extensions/extension.cc
+++ b/chrome/common/extensions/extension.cc
@@ -2058,7 +2058,7 @@ bool Extension::InitFromValue(const DictionaryValue& source, int flags,
            page != chrome::kChromeUIHistoryHost
 #if defined(FILE_MANAGER_EXTENSION)
                &&
-           !(location() ==  COMPONENT &&
+           !(CanSpecifyComponentOnlyPermission() &&
              page == chrome::kChromeUIFileManagerHost)
 #endif
           ) ||
@@ -2873,12 +2873,11 @@ bool Extension::CanSpecifyComponentOnlyPermission() const {
   if (location_ == Extension::COMPONENT)
     return true;
 
-#ifndef NDEBUG
-  if (CommandLine::ForCurrentProcess()->HasSwitch(
+  if (location_ == Extension::LOAD &&
+      CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kExposePrivateExtensionApi)) {
     return true;
   }
-#endif
 
   return false;
 }
@@ -2913,12 +2912,12 @@ bool Extension::CanSpecifyPermissionForHostedApp(
 }
 
 bool Extension::CanExecuteScriptEverywhere() const {
-  if (location() == Extension::COMPONENT
-#ifndef NDEBUG
-      || CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kExposePrivateExtensionApi)
-#endif
+  if (location() == Extension::COMPONENT ||
+      (location() == Extension::LOAD &&
+       CommandLine::ForCurrentProcess()->HasSwitch(
+           switches::kExposePrivateExtensionApi)
       )

[Aaron Boodman, 2011/11/28 18:29:59]

Nit: these parens should be up on line 2918.

[SeRya, 2011/11/28 23:49:53]

Done.

+     )
     return true;
 
   ScriptingWhitelist* whitelist =