Add transaction detail params to requestAutocomplete().

Source/web/WebAutocompleteParams.cpp

Index: Source/web/WebAutocompleteParams.cpp
diff --git a/Source/web/WebHeap.cpp b/Source/web/WebAutocompleteParams.cpp
similarity index 79%
copy from Source/web/WebHeap.cpp
copy to Source/web/WebAutocompleteParams.cpp
index a2d67614f34542c1c709c4051ee50fab7dc27298..ec278dcb0f919bc66c4122b786ee5b5426da8c5e 100644
--- a/Source/web/WebHeap.cpp
+++ b/Source/web/WebAutocompleteParams.cpp
@@ -29,30 +29,22 @@
  */
 
 #include "config.h"
-#include "WebHeap.h"
+#include "WebAutocompleteParams.h"
 
-#include "platform/heap/ThreadState.h"
+#include "bindings/v8/Dictionary.h"
+#include "public/platform/WebString.h"
+#include "wtf/text/WTFString.h"
 
 namespace blink {
 
-void WebHeap::attachThread()
+WebAutocompleteParams::WebAutocompleteParams(const WebCore::Dictionary& details)
+    : transactionAmount(0)
 {
-    WebCore::ThreadState::attach();
-}
-
-void WebHeap::detachThread()
-{
-    WebCore::ThreadState::detach();
-}
+    details.get("transactionAmount", transactionAmount);
 
-WebHeap::SafePointScope::SafePointScope()
-{
-    WebCore::ThreadState::current()->enterSafePointWithPointers(this);
-}
-
-WebHeap::SafePointScope::~SafePointScope()
-{
-    WebCore::ThreadState::current()->leaveSafePoint();
+    String currency;
+    if (details.get("transactionCurrency", currency))
+        transactionCurrency = WebString(currency);
 }
 
 } // namespace blink