Don't show themes in extension config UI. This fixes various bugs

chrome/browser/extensions/extensions_ui.cc

 // Copyright (c) 2006-2009 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/extensions/extensions_ui.h"
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/string_util.h"
 #include "base/thread.h"
@@ skipping 71 matching lines @@
 }
 
 void ExtensionsDOMHandler::HandleRequestExtensionsData(const Value* value) {
   DictionaryValue results;
 
   // Add the extensions to the results structure.
   ListValue *extensions_list = new ListValue();
   const ExtensionList* extensions = extensions_service_->extensions();
   for (ExtensionList::const_iterator extension = extensions->begin();
        extension != extensions->end(); ++extension) {
-         extensions_list->Append(CreateExtensionDetailValue(
+    // Don't show the themes since this page's UI isn't really useful for
+    // themes.
+    if (!(*extension)->IsTheme()) {
+      extensions_list->Append(CreateExtensionDetailValue(
           *extension, GetActivePagesForExtension((*extension)->id())));
+    }
   }
   results.Set(L"extensions", extensions_list);
 
-  // Add any error log lines to the result structure.
-  ListValue *errors_list = new ListValue();
-  const std::vector<std::string>* errors =
-      ExtensionErrorReporter::GetInstance()->GetErrors();
-  for (std::vector<std::string>::const_iterator error = errors->begin();
-       error != errors->end(); ++error) {
-    errors_list->Append(Value::CreateStringValue(*error));
-  }
-  results.Set(L"errors", errors_list);
-
   dom_ui_->CallJavascriptFunction(L"returnExtensionsData", results);
 }
 
 void ExtensionsDOMHandler::HandleInspectMessage(const Value* value) {
   std::string render_process_id_str;
   std::string render_view_id_str;
   int render_process_id;
   int render_view_id;
   CHECK(value->IsType(Value::TYPE_LIST));
   const ListValue* list = static_cast<const ListValue*>(value);
@@ skipping 152 matching lines @@
   AddMessageHandler(handler);
   handler->Attach(this);
 
   ExtensionsUIHTMLSource* html_source = new ExtensionsUIHTMLSource();
 
   // Set up the chrome://extensions/ source.
   g_browser_process->io_thread()->message_loop()->PostTask(FROM_HERE,
       NewRunnableMethod(&chrome_url_data_manager,
           &ChromeURLDataManager::AddDataSource, html_source));
 }