Test cleanup: Using MockSpecialStoragePolicy instead of local subclasses of SpecialStoragePolicy.

webkit/quota/mock_special_storage_policy.h

Index: webkit/quota/mock_special_storage_policy.h
diff --git a/webkit/quota/mock_special_storage_policy.h b/webkit/quota/mock_special_storage_policy.h
index 3f3a873ba19ae31c90c3d10395e9493990791cde..b04d16d3dd6a0218067523b9a34e345cde503e47 100644
--- a/webkit/quota/mock_special_storage_policy.h
+++ b/webkit/quota/mock_special_storage_policy.h
@@ -33,6 +33,10 @@ class MockSpecialStoragePolicy : public quota::SpecialStoragePolicy {
     file_handlers_.insert(id);
   }
 
+  void SetAllUnlimited(bool all_unlimited) {
+      all_unlimited_ = all_unlimited;
+  }
+
   void Reset() {
     protected_.clear();
     unlimited_.clear();
@@ -47,6 +51,8 @@ class MockSpecialStoragePolicy : public quota::SpecialStoragePolicy {
   std::set<GURL> protected_;
   std::set<GURL> unlimited_;
   std::set<std::string> file_handlers_;
+
+  bool all_unlimited_;
 };
 }  // namespace quota