Create profile .ico file on profile creation

chrome/browser/profiles/profile_impl.h

Index: chrome/browser/profiles/profile_impl.h
diff --git a/chrome/browser/profiles/profile_impl.h b/chrome/browser/profiles/profile_impl.h
index 6f4f415ab1934fa1860dfb6a59e9a182acd649c6..e46dd87ce0ef01eef5b2f675639072de70f290d9 100644
--- a/chrome/browser/profiles/profile_impl.h
+++ b/chrome/browser/profiles/profile_impl.h
@@ -13,6 +13,7 @@
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
 #include "base/prefs/pref_change_registrar.h"
 #include "base/timer.h"
 #include "chrome/browser/profiles/profile.h"
@@ -174,6 +175,12 @@ class ProfileImpl : public Profile {
   void EnsureSessionServiceCreated();
 #endif
 
+  // Updates the icon file for this profile if the icon version in the prefs is
+  // out of date.
+  void UpdateProfileIconIfNecessary();
+
+  // Sets the icon version in the prefs on successful icon creation.
+  void OnProfileIconCreateSuccess();
 
   void EnsureRequestContextCreated() {
     GetRequestContext();
@@ -224,6 +231,8 @@ class ProfileImpl : public Profile {
   scoped_refptr<HostContentSettingsMap> host_content_settings_map_;
   scoped_refptr<history::ShortcutsBackend> shortcuts_backend_;
 
+  base::WeakPtrFactory<ProfileImpl> weak_ptr_factory_;
+
   // Exit type the last time the profile was opened. This is set only once from
   // prefs.
   ExitType last_session_exit_type_;