IndexedDB: Replace IDL operation overloading with ScriptValue handling

Source/modules/indexeddb/IDBIndex.cpp

Index: Source/modules/indexeddb/IDBIndex.cpp
diff --git a/Source/modules/indexeddb/IDBIndex.cpp b/Source/modules/indexeddb/IDBIndex.cpp
index f9a30375c5f207d818643f086bfe854c649ce012..994699a61d3d43059688315b03e5344be68c7630 100644
--- a/Source/modules/indexeddb/IDBIndex.cpp
+++ b/Source/modules/indexeddb/IDBIndex.cpp
@@ -56,7 +56,7 @@ IDBIndex::~IDBIndex()
 {
 }
 
-PassRefPtr<IDBRequest> IDBIndex::openCursor(ScriptExecutionContext* context, PassRefPtr<IDBKeyRange> keyRange, const String& directionString, ExceptionState& es)
+PassRefPtr<IDBRequest> IDBIndex::openCursor(ScriptExecutionContext* context, const ScriptValue& range, const String& directionString, ExceptionState& es)
 {
     IDB_TRACE("IDBIndex::openCursor");
     if (isDeleted()) {
@@ -75,22 +75,22 @@ PassRefPtr<IDBRequest> IDBIndex::openCursor(ScriptExecutionContext* context, Pas
     if (es.hadException())
         return 0;
 
+    RefPtr<IDBKeyRange> keyRange = IDBKeyRange::fromScriptValue(context, range, es);
+    if (es.hadException())
+        return 0;
+
+    return openCursor(context, keyRange, direction);
+}
+
+PassRefPtr<IDBRequest> IDBIndex::openCursor(ScriptExecutionContext* context, PassRefPtr<IDBKeyRange> keyRange, IndexedDB::CursorDirection direction)
+{
     RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get());
     request->setCursorDetails(IndexedDB::CursorKeyAndValue, direction);
     backendDB()->openCursor(m_transaction->id(), m_objectStore->id(), m_metadata.id, keyRange, direction, false, IDBDatabaseBackendInterface::NormalTask, request);
     return request;
 }
 
-PassRefPtr<IDBRequest> IDBIndex::openCursor(ScriptExecutionContext* context, const ScriptValue& key, const String& direction, ExceptionState& es)
-{
-    IDB_TRACE("IDBIndex::openCursor");
-    RefPtr<IDBKeyRange> keyRange = IDBKeyRange::only(context, key, es);
-    if (es.hadException())
-        return 0;
-    return openCursor(context, keyRange.release(), direction, es);
-}
-
-PassRefPtr<IDBRequest> IDBIndex::count(ScriptExecutionContext* context, PassRefPtr<IDBKeyRange> keyRange, ExceptionState& es)
+PassRefPtr<IDBRequest> IDBIndex::count(ScriptExecutionContext* context, const ScriptValue& range, ExceptionState& es)
 {
     IDB_TRACE("IDBIndex::count");
     if (isDeleted()) {
@@ -105,21 +105,17 @@ PassRefPtr<IDBRequest> IDBIndex::count(ScriptExecutionContext* context, PassRefP
         es.throwDOMException(TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage);
         return 0;
     }
-    RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get());
-    backendDB()->count(m_transaction->id(), m_objectStore->id(), m_metadata.id, keyRange, request);
-    return request;
-}
 
-PassRefPtr<IDBRequest> IDBIndex::count(ScriptExecutionContext* context, const ScriptValue& key, ExceptionState& es)
-{
-    IDB_TRACE("IDBIndex::count");
-    RefPtr<IDBKeyRange> keyRange = IDBKeyRange::only(context, key, es);
+    RefPtr<IDBKeyRange> keyRange = IDBKeyRange::fromScriptValue(context, range, es);
     if (es.hadException())
         return 0;
-    return count(context, keyRange.release(), es);
+
+    RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get());
+    backendDB()->count(m_transaction->id(), m_objectStore->id(), m_metadata.id, keyRange, request);
+    return request;
 }
 
-PassRefPtr<IDBRequest> IDBIndex::openKeyCursor(ScriptExecutionContext* context, PassRefPtr<IDBKeyRange> keyRange, const String& directionString, ExceptionState& es)
+PassRefPtr<IDBRequest> IDBIndex::openKeyCursor(ScriptExecutionContext* context, const ScriptValue& range, const String& directionString, ExceptionState& es)
 {
     IDB_TRACE("IDBIndex::openKeyCursor");
     if (isDeleted()) {
@@ -138,33 +134,19 @@ PassRefPtr<IDBRequest> IDBIndex::openKeyCursor(ScriptExecutionContext* context,
     if (es.hadException())
         return 0;
 
+    RefPtr<IDBKeyRange> keyRange = IDBKeyRange::fromScriptValue(context, range, es);
+    if (es.hadException())
+        return 0;
+
     RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get());
     request->setCursorDetails(IndexedDB::CursorKeyOnly, direction);
     backendDB()->openCursor(m_transaction->id(), m_objectStore->id(), m_metadata.id, keyRange, direction, true, IDBDatabaseBackendInterface::NormalTask, request);
     return request;
 }
 
-PassRefPtr<IDBRequest> IDBIndex::openKeyCursor(ScriptExecutionContext* context, const ScriptValue& key, const String& direction, ExceptionState& es)
-{
-    IDB_TRACE("IDBIndex::openKeyCursor");
-    RefPtr<IDBKeyRange> keyRange = IDBKeyRange::only(context, key, es);
-    if (es.hadException())
-        return 0;
-    return openKeyCursor(context, keyRange.release(), direction, es);
-}
-
 PassRefPtr<IDBRequest> IDBIndex::get(ScriptExecutionContext* context, const ScriptValue& key, ExceptionState& es)
 {
     IDB_TRACE("IDBIndex::get");
-    RefPtr<IDBKeyRange> keyRange = IDBKeyRange::only(context, key, es);
-    if (es.hadException())
-        return 0;
-    return get(context, keyRange.release(), es);
-}
-
-PassRefPtr<IDBRequest> IDBIndex::get(ScriptExecutionContext* context, PassRefPtr<IDBKeyRange> keyRange, ExceptionState& es)
-{
-    IDB_TRACE("IDBIndex::get");
     if (isDeleted()) {
         es.throwDOMException(InvalidStateError, IDBDatabase::indexDeletedErrorMessage);
         return 0;
@@ -177,6 +159,10 @@ PassRefPtr<IDBRequest> IDBIndex::get(ScriptExecutionContext* context, PassRefPtr
         es.throwDOMException(TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage);
         return 0;
     }
+
+    RefPtr<IDBKeyRange> keyRange = IDBKeyRange::fromScriptValue(context, key, es);
+    if (es.hadException())
+        return 0;
     if (!keyRange) {
         es.throwDOMException(DataError, IDBDatabase::noKeyOrKeyRangeErrorMessage);
         return 0;
@@ -190,16 +176,6 @@ PassRefPtr<IDBRequest> IDBIndex::get(ScriptExecutionContext* context, PassRefPtr
 PassRefPtr<IDBRequest> IDBIndex::getKey(ScriptExecutionContext* context, const ScriptValue& key, ExceptionState& es)
 {
     IDB_TRACE("IDBIndex::getKey");
-    RefPtr<IDBKeyRange> keyRange = IDBKeyRange::only(context, key, es);
-    if (es.hadException())
-        return 0;
-
-    return getKey(context, keyRange.release(), es);
-}
-
-PassRefPtr<IDBRequest> IDBIndex::getKey(ScriptExecutionContext* context, PassRefPtr<IDBKeyRange> keyRange, ExceptionState& es)
-{
-    IDB_TRACE("IDBIndex::getKey");
     if (isDeleted()) {
         es.throwDOMException(InvalidStateError, IDBDatabase::indexDeletedErrorMessage);
         return 0;
@@ -212,6 +188,10 @@ PassRefPtr<IDBRequest> IDBIndex::getKey(ScriptExecutionContext* context, PassRef
         es.throwDOMException(TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage);
         return 0;
     }
+
+    RefPtr<IDBKeyRange> keyRange = IDBKeyRange::fromScriptValue(context, key, es);
+    if (es.hadException())
+        return 0;
     if (!keyRange) {
         es.throwDOMException(DataError, IDBDatabase::noKeyOrKeyRangeErrorMessage);
         return 0;