Oilpan: tidy up some inter-stack object references.

public/platform/WebCryptoKeyAlgorithmParams.h

Index: public/platform/WebCryptoKeyAlgorithmParams.h
diff --git a/public/platform/WebCryptoKeyAlgorithmParams.h b/public/platform/WebCryptoKeyAlgorithmParams.h
index 3450c02e427ae1c2eaeaaf52f5372e84a12a8c7a..0944adb6117fcc870a816b2858bc62895f6ee5ac 100644
--- a/public/platform/WebCryptoKeyAlgorithmParams.h
+++ b/public/platform/WebCryptoKeyAlgorithmParams.h
@@ -35,11 +35,18 @@
 #include "WebCryptoAlgorithm.h"
 #include "WebVector.h"
 
+#if INSIDE_BLINK
+#include "platform/heap/Handle.h"
+#endif
+
 namespace blink {
 
 // Interface used for serializing WebCryptoKeyAlgorithmParams to a javascript
 // dictionary.
 class WebCryptoKeyAlgorithmDictionary {
+#if INSIDE_BLINK
+    STACK_ALLOCATED();
+#endif
 public:
     virtual ~WebCryptoKeyAlgorithmDictionary() { }