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

chrome/common/extensions/extension.h

Index: chrome/common/extensions/extension.h
diff --git a/chrome/common/extensions/extension.h b/chrome/common/extensions/extension.h
index 5d3623fe504d5804c67096053dfca7730bf21083..cceba31b5c1e473036c511ba2fc0db13a3da0768 100644
--- a/chrome/common/extensions/extension.h
+++ b/chrome/common/extensions/extension.h
@@ -558,6 +558,10 @@ class Extension : public base::RefCountedThreadSafe<Extension> {
   // Returns true if the extension should be displayed in the launcher.
   bool ShouldDisplayInLauncher() const;
 
+  // Returns true if the extension should be displayed in the extension
+  // settings page (i.e. chrome://extensions).
+  bool ShouldDisplayInExtensionSettings() const;
+
   // Accessors:
 
   const FilePath& path() const { return path_; }
@@ -786,6 +790,7 @@ class Extension : public base::RefCountedThreadSafe<Extension> {
   bool LoadContentScripts(string16* error);
   bool LoadPageAction(string16* error);
   bool LoadBrowserAction(string16* error);
+  void GenerateBrowserActionIfPossible();
   bool LoadFileBrowserHandlers(string16* error);
   // Helper method to load a FileBrowserHandlerList from the manifest.
   FileBrowserHandlerList* LoadFileBrowserHandlersHelper(