Only show load warnings for extensions under development.

chrome/browser/ui/webui/extensions/extension_settings_handler.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/extensions/extension_settings_handler.h"
 
 #include "base/auto_reset.h"
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 174 matching lines @@
            ++iter) {
         string16 warning_string(
             ExtensionWarningSet::GetLocalizedWarning(*iter));
         warnings_list->Append(Value::CreateStringValue(warning_string));
       }
       extension_data->Set("warnings", warnings_list);
     }
   }
 
   // Add install warnings (these are not the same as warnings!).
-  const Extension::InstallWarningVector& install_warnings =
-      extension->install_warnings();
-  if (!install_warnings.empty()) {
-    scoped_ptr<ListValue> list(new ListValue());
-    for (Extension::InstallWarningVector::const_iterator it =
-             install_warnings.begin(); it != install_warnings.end(); ++it) {
-      DictionaryValue* item = new DictionaryValue();
-      item->SetBoolean("isHTML",
-                       it->format == Extension::InstallWarning::FORMAT_HTML);
-      item->SetString("message", it->message);
-      list->Append(item);
+  if (extension->location() == Extension::LOAD) {
+    const Extension::InstallWarningVector& install_warnings =
+        extension->install_warnings();
+    if (!install_warnings.empty()) {
+      scoped_ptr<ListValue> list(new ListValue());
+      for (Extension::InstallWarningVector::const_iterator it =
+               install_warnings.begin(); it != install_warnings.end(); ++it) {
+        DictionaryValue* item = new DictionaryValue();
+        item->SetBoolean("isHTML",
+                         it->format == Extension::InstallWarning::FORMAT_HTML);
+        item->SetString("message", it->message);
+        list->Append(item);
+      }
+      extension_data->Set("installWarnings", list.release());
     }
-    extension_data->Set("installWarnings", list.release());
   }
 
   return extension_data;
 }
 
 void ExtensionSettingsHandler::GetLocalizedValues(
     DictionaryValue* localized_strings) {
   localized_strings->SetString("extensionSettings",
       l10n_util::GetStringUTF16(IDS_MANAGE_EXTENSIONS_SETTING_WINDOWS_TITLE));
 
@@ skipping 656 matching lines @@
   return extension_uninstall_dialog_.get();
 #else
   return NULL;
 #endif  // !defined(OS_ANDROID)
 }
 
 void ExtensionSettingsHandler::InspectExtensionHost(ExtensionHost* host) {
   if (host)
     DevToolsWindow::OpenDevToolsWindow(host->render_view_host());
 }