Change ThemeService to handle uninstalled themes.

chrome/browser/extensions/extension_service.cc

Index: chrome/browser/extensions/extension_service.cc
diff --git a/chrome/browser/extensions/extension_service.cc b/chrome/browser/extensions/extension_service.cc
index 04da86bc33a1b5283030d223ec54bb91fdfa9268..7305770489ea610fe01c280b8281d3ff380ce0b1 100644
--- a/chrome/browser/extensions/extension_service.cc
+++ b/chrome/browser/extensions/extension_service.cc
@@ -1169,6 +1169,14 @@ void ExtensionService::NotifyExtensionUnloaded(
       content::Source<Profile>(profile_),
       content::Details<UnloadedExtensionInfo>(&details));
 
+#if defined(ENABLE_THEMES)
+  // Let the ThemeService know that the theme has been unloaded.
+  if (reason != extension_misc::UNLOAD_REASON_UPDATE &&
+      extension->id() == ThemeService::GetThemeIDForProfile(profile_)) {

[akalin, 2012/12/04 08:03:50]

i actually had to revert my patch that changed this.  so now it's back to
theme_service->GetThemeID().  Sorry!

+    ThemeServiceFactory::GetForProfile(profile_)->UseDefaultTheme();
+  }
+#endif
+
   for (content::RenderProcessHost::iterator i(
           content::RenderProcessHost::AllHostsIterator());
        !i.IsAtEnd(); i.Advance()) {