Temporarily disable extensions and sync while a profile is locked - Profiles Approach

extensions/browser/extension_registry.h

Index: extensions/browser/extension_registry.h
diff --git a/extensions/browser/extension_registry.h b/extensions/browser/extension_registry.h
index 50f75c9b7cdb42e45cc3c14457e086d02c493345..7428e5fc44d4e6cc6a5839703c849f400ce75d2d 100644
--- a/extensions/browser/extension_registry.h
+++ b/extensions/browser/extension_registry.h
@@ -33,12 +33,13 @@ class ExtensionRegistry : public KeyedService {
  public:
   // Flags to pass to GetExtensionById() to select which sets to look in.
   enum IncludeFlag {
-    NONE        = 0,
-    ENABLED     = 1 << 0,
-    DISABLED    = 1 << 1,
-    TERMINATED  = 1 << 2,
+    NONE = 0,
+    ENABLED = 1 << 0,
+    DISABLED = 1 << 1,
+    TERMINATED = 1 << 2,
     BLACKLISTED = 1 << 3,
-    EVERYTHING = (1 << 4) - 1,
+    BLOCKED = 1 << 4,
+    EVERYTHING = (1 << 5) - 1,
   };
 
   explicit ExtensionRegistry(content::BrowserContext* browser_context);
@@ -63,6 +64,7 @@ class ExtensionRegistry : public KeyedService {
   const ExtensionSet& blacklisted_extensions() const {
     return blacklisted_extensions_;
   }
+  const ExtensionSet& blocked_extensions() const { return blocked_extensions_; }
 
   // Returns a set of all installed, disabled, blacklisted, and terminated
   // extensions.
@@ -136,6 +138,10 @@ class ExtensionRegistry : public KeyedService {
   bool AddBlacklisted(const scoped_refptr<const Extension>& extension);
   bool RemoveBlacklisted(const std::string& id);
 
+  // As above, but for the blocked set.
+  bool AddBlocked(const scoped_refptr<const Extension>& extension);
+  bool RemoveBlocked(const std::string& id);
+
   // Removes all extensions from all sets.
   void ClearAll();
 
@@ -164,6 +170,9 @@ class ExtensionRegistry : public KeyedService {
   // un-blacklisted.
   ExtensionSet blacklisted_extensions_;
 
+  // Extensions that are installed and blocked. Will never be loaded.
+  ExtensionSet blocked_extensions_;
+
   ObserverList<ExtensionRegistryObserver> observers_;
 
   content::BrowserContext* const browser_context_;