Add ManagedModeURLFilter.

chrome/browser/managed_mode.h

Index: chrome/browser/managed_mode.h
diff --git a/chrome/browser/managed_mode.h b/chrome/browser/managed_mode.h
index c77e16331b958d960a5fa480920e8ed3939ad46f..9d47a3395352ca4b6c053f8425b29188838523e6 100644
--- a/chrome/browser/managed_mode.h
+++ b/chrome/browser/managed_mode.h
@@ -11,6 +11,7 @@
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
 #include "chrome/browser/extensions/management_policy.h"
 #include "chrome/browser/ui/browser_list_observer.h"
@@ -20,6 +21,7 @@
 class Browser;
 template<typename T>
 struct DefaultSingletonTraits;
+class ManagedModeURLFilter;
 class PrefService;
 class Profile;
 
@@ -27,6 +29,7 @@ class Profile;
 // person by pre-configuring and then locking a managed User profile.
 // The ManagedMode class provides methods to check whether the browser is in
 // managed mode, and to attempt to enter or leave managed mode.
+// Except where otherwise noted, this class should be used on the UI thread.
 class ManagedMode : public chrome::BrowserListObserver,
                     public extensions::ManagementPolicy::Provider,
                     public content::NotificationObserver {
@@ -45,6 +48,9 @@ class ManagedMode : public chrome::BrowserListObserver,
   static void EnterManagedMode(Profile* profile, const EnterCallback& callback);
   static void LeaveManagedMode();
 
+  // Returns the URL filter. This method should only be called on the IO thread.
+  static const ManagedModeURLFilter* GetURLFilter();
+
   // ExtensionManagementPolicy::Provider implementation:
   virtual std::string GetDebugPolicyProviderName() const OVERRIDE;
   virtual bool UserMayLoad(const extensions::Extension* extension,
@@ -70,8 +76,10 @@ class ManagedMode : public chrome::BrowserListObserver,
   Profile* managed_profile_;
 
  private:
+  class URLFilterContext;
+
+  friend class Singleton<ManagedMode, LeakySingletonTraits<ManagedMode> >;
   friend struct DefaultSingletonTraits<ManagedMode>;
-  friend class Singleton<ManagedMode>;
   FRIEND_TEST_ALL_PREFIXES(ExtensionApiTest, ManagedModeOnChange);
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            ManagedModeProhibitsModification);
@@ -87,6 +95,8 @@ class ManagedMode : public chrome::BrowserListObserver,
 
   void LeaveManagedModeImpl();
 
+  const ManagedModeURLFilter* GetURLFilterImpl();
+
   void FinalizeEnter(bool result);
 
   // Platform-specific methods that confirm whether we can enter or leave
@@ -103,8 +113,12 @@ class ManagedMode : public chrome::BrowserListObserver,
   // testing).
   virtual void SetInManagedMode(Profile* newly_managed_profile);
 
+  void UpdateWhitelist();
+
   content::NotificationRegistrar registrar_;
 
+  scoped_ptr<URLFilterContext> url_filter_context_;
+
   std::set<Browser*> browsers_to_close_;
   std::vector<EnterCallback> callbacks_;