Revert of chrome.webRequest support for ExtensionSettings

extensions/common/permissions/permissions_data.h

Index: extensions/common/permissions/permissions_data.h
diff --git a/extensions/common/permissions/permissions_data.h b/extensions/common/permissions/permissions_data.h
index c1c5de2dcc5e0e9c381e892daf7b575c61577953..a619590a29d8b32c0c3980d36dcd6620ffe11d66 100644
--- a/extensions/common/permissions/permissions_data.h
+++ b/extensions/common/permissions/permissions_data.h
@@ -258,16 +258,15 @@
   // methods instead (e.g. CanAccessPage()).
   const URLPatternSet policy_allowed_hosts() const;
 
-  // Check if a specific URL is blocked by policy from extension use at runtime.
-  bool IsRuntimeBlockedHost(const GURL& url) const {
-    base::AutoLock auto_lock(runtime_lock_);
-    return IsRuntimeBlockedHostUnsafe(url);
-  }
-
 #if defined(UNIT_TEST)
   const PermissionSet* GetTabSpecificPermissionsForTesting(int tab_id) const {
     base::AutoLock auto_lock(runtime_lock_);
     return GetTabSpecificPermissions(tab_id);
+  }
+
+  bool IsRuntimeBlockedHostForTesting(const GURL& url) const {
+    base::AutoLock auto_lock(runtime_lock_);
+    return IsRuntimeBlockedHost(url);
   }
 #endif
 
@@ -297,8 +296,7 @@
                           std::string* error) const;
 
   // Check if a specific URL is blocked by policy from extension use at runtime.
-  // You must acquire the runtime_lock_ before calling.
-  bool IsRuntimeBlockedHostUnsafe(const GURL& url) const;
+  bool IsRuntimeBlockedHost(const GURL& url) const;
 
   // Same as policy_blocked_hosts but instead returns a reference.
   // You must acquire runtime_lock_ before calling this.