Generate a browser action for any extension which doesn't have a browser or

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 38 matching lines @@
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 
 using content::RenderViewHost;
 using content::WebContents;
 using extensions::ExtensionUpdater;
 
-namespace {
-
-bool ShouldShowExtension(const Extension* extension) {
-  // Don't show themes since this page's UI isn't really useful for themes.
-  if (extension->is_theme())
-    return false;
-
-  // Don't show component extensions because they are only extensions as an
-  // implementation detail of Chrome.
-  if (extension->location() == Extension::COMPONENT &&
-      !CommandLine::ForCurrentProcess()->HasSwitch(
-        switches::kShowComponentExtensionOptions))
-    return false;
-
-  // Always show unpacked extensions and apps.
-  if (extension->location() == Extension::LOAD)
-    return true;
-
-  // Unless they are unpacked, never show hosted apps. Note: We intentionally
-  // show packaged apps and platform apps because there are some pieces of
-  // functionality that are only available in chrome://extensions/ but which
-  // are needed for packaged and platform apps. For example, inspecting
-  // background pages. See http://crbug.com/116134.
-  if (extension->is_hosted_app())
-    return false;
-
-  return true;
-}
-
-}  // namespace
-
 ///////////////////////////////////////////////////////////////////////////////
 //
 // ExtensionSettingsHandler
 //
 ///////////////////////////////////////////////////////////////////////////////
 
 ExtensionSettingsHandler::ExtensionSettingsHandler()
     : extension_service_(NULL),
       ignore_notifications_(false),
       deleting_rvh_(NULL),
@@ skipping 360 matching lines @@
   DictionaryValue results;
 
   // Add the extensions to the results structure.
   ListValue *extensions_list = new ListValue();
 
   ExtensionWarningSet* warnings = extension_service_->extension_warnings();
 
   const ExtensionSet* extensions = extension_service_->extensions();
   for (ExtensionSet::const_iterator extension = extensions->begin();
        extension != extensions->end(); ++extension) {
-    if (ShouldShowExtension(*extension)) {
+    if ((*extension)->ShouldDisplayInExtensionSettings()) {
       extensions_list->Append(CreateExtensionDetailValue(
           *extension,
           GetInspectablePagesForExtension(*extension, true),
           warnings));
     }
   }
   extensions = extension_service_->disabled_extensions();
   for (ExtensionSet::const_iterator extension = extensions->begin();
        extension != extensions->end(); ++extension) {
-    if (ShouldShowExtension(*extension)) {
+    if ((*extension)->ShouldDisplayInExtensionSettings()) {
       extensions_list->Append(CreateExtensionDetailValue(
           *extension,
           GetInspectablePagesForExtension(*extension, false),
           warnings));
     }
   }
   extensions = extension_service_->terminated_extensions();
   std::vector<ExtensionPage> empty_pages;
   for (ExtensionSet::const_iterator extension = extensions->begin();
        extension != extensions->end(); ++extension) {
-    if (ShouldShowExtension(*extension)) {
+    if ((*extension)->ShouldDisplayInExtensionSettings()) {
       extensions_list->Append(CreateExtensionDetailValue(
           *extension,
           empty_pages,  // Terminated process has no active pages.
           warnings));
     }
   }
   results.Set("extensions", extensions_list);
 
   Profile* profile = Profile::FromWebUI(web_ui());
   bool developer_mode =
@@ skipping 339 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());
 }