Allow chrome.management.setEnabled() to re-enable crashed extensions.

chrome/browser/extensions/extension_service.h

Index: chrome/browser/extensions/extension_service.h
diff --git a/chrome/browser/extensions/extension_service.h b/chrome/browser/extensions/extension_service.h
index c326490a1a8cb6f32e3d039fe3a0dcb5e02b4897..1a9d8c6287cf40c9afcccc6eb186f7d2401d01ce 100644
--- a/chrome/browser/extensions/extension_service.h
+++ b/chrome/browser/extensions/extension_service.h
@@ -89,6 +89,8 @@ class SyncData;
 class SyncErrorFactory;
 }
 
+typedef std::map<std::string, FilePath> UnloadedExtensionPathMap;
+
 // This is an interface class to encapsulate the dependencies that
 // various classes have on ExtensionService. This allows easy mocking.
 class ExtensionServiceInterface : public syncer::SyncableService {
@@ -457,7 +459,6 @@ class ExtensionService
       const extensions::ExtensionSyncData& extension_sync_data);
   bool ProcessAppSyncData(const extensions::AppSyncData& app_sync_data);
 
-
   void set_extensions_enabled(bool enabled) { extensions_enabled_ = enabled; }
   bool extensions_enabled() { return extensions_enabled_; }
 
@@ -469,6 +470,10 @@ class ExtensionService
     return show_extensions_prompts_;
   }
 
+  const UnloadedExtensionPathMap& unloaded_extension_paths() const {
+    return unloaded_extension_paths_;
+  }
+
   Profile* profile();
 
   // TODO(skerner): Change to const ExtensionPrefs& extension_prefs() const,
@@ -768,7 +773,6 @@ class ExtensionService
   // Map unloaded extensions' ids to their paths. When a temporarily loaded
   // extension is unloaded, we lose the information about it and don't have
   // any in the extension preferences file.
-  typedef std::map<std::string, FilePath> UnloadedExtensionPathMap;
   UnloadedExtensionPathMap unloaded_extension_paths_;
 
   // Map disabled extensions' ids to their paths. When a temporarily loaded