[Fetch API] Remove HandleScope to protect local handles

third_party/WebKit/Source/modules/fetch/BodyStreamBufferTest.cpp

Index: third_party/WebKit/Source/modules/fetch/BodyStreamBufferTest.cpp
diff --git a/third_party/WebKit/Source/modules/fetch/BodyStreamBufferTest.cpp b/third_party/WebKit/Source/modules/fetch/BodyStreamBufferTest.cpp
index defd82911b3fe6b64db20566556e4df06363a7d3..e6c77319e10b41e87762b6a336f57ca747705fd5 100644
--- a/third_party/WebKit/Source/modules/fetch/BodyStreamBufferTest.cpp
+++ b/third_party/WebKit/Source/modules/fetch/BodyStreamBufferTest.cpp
@@ -82,6 +82,7 @@ protected:
 
 TEST_F(BodyStreamBufferTest, Tee)
 {
+    ScriptState::Scope scope(getScriptState());
     Checkpoint checkpoint;
     MockFetchDataLoaderClient* client1 = MockFetchDataLoaderClient::create();
     MockFetchDataLoaderClient* client2 = MockFetchDataLoaderClient::create();
@@ -174,6 +175,7 @@ TEST_F(BodyStreamBufferTest, TeeFromHandleMadeFromStream)
 
 TEST_F(BodyStreamBufferTest, DrainAsBlobDataHandle)
 {
+    ScriptState::Scope scope(getScriptState());
     std::unique_ptr<BlobData> data = BlobData::create();
     data->appendText("hello", false);
     auto size = data->length();
@@ -193,6 +195,7 @@ TEST_F(BodyStreamBufferTest, DrainAsBlobDataHandle)
 
 TEST_F(BodyStreamBufferTest, DrainAsBlobDataHandleReturnsNull)
 {
+    ScriptState::Scope scope(getScriptState());
     // This handle is not drainable.
     std::unique_ptr<FetchDataConsumerHandle> handle = createFetchDataConsumerHandleFromWebHandle(createWaitingDataConsumerHandle());
     BodyStreamBuffer* buffer = new BodyStreamBuffer(getScriptState(), std::move(handle));
@@ -229,6 +232,7 @@ TEST_F(BodyStreamBufferTest, DrainAsBlobFromBufferMadeFromBufferMadeFromStream)
 
 TEST_F(BodyStreamBufferTest, DrainAsFormData)
 {
+    ScriptState::Scope scope(getScriptState());
     FormData* data = FormData::create(UTF8Encoding());
     data->append("name1", "value1");
     data->append("name2", "value2");
@@ -249,6 +253,7 @@ TEST_F(BodyStreamBufferTest, DrainAsFormData)
 
 TEST_F(BodyStreamBufferTest, DrainAsFormDataReturnsNull)
 {
+    ScriptState::Scope scope(getScriptState());
     // This handle is not drainable.
     std::unique_ptr<FetchDataConsumerHandle> handle = createFetchDataConsumerHandleFromWebHandle(createWaitingDataConsumerHandle());
     BodyStreamBuffer* buffer = new BodyStreamBuffer(getScriptState(), std::move(handle));
@@ -285,6 +290,7 @@ TEST_F(BodyStreamBufferTest, DrainAsFormDataFromBufferMadeFromBufferMadeFromStre
 
 TEST_F(BodyStreamBufferTest, LoadBodyStreamBufferAsArrayBuffer)
 {
+    ScriptState::Scope scope(getScriptState());
     Checkpoint checkpoint;
     MockFetchDataLoaderClient* client = MockFetchDataLoaderClient::create();
     DOMArrayBuffer* arrayBuffer = nullptr;
@@ -317,6 +323,7 @@ TEST_F(BodyStreamBufferTest, LoadBodyStreamBufferAsArrayBuffer)
 
 TEST_F(BodyStreamBufferTest, LoadBodyStreamBufferAsBlob)
 {
+    ScriptState::Scope scope(getScriptState());
     Checkpoint checkpoint;
     MockFetchDataLoaderClient* client = MockFetchDataLoaderClient::create();
     RefPtr<BlobDataHandle> blobDataHandle;
@@ -348,6 +355,7 @@ TEST_F(BodyStreamBufferTest, LoadBodyStreamBufferAsBlob)
 
 TEST_F(BodyStreamBufferTest, LoadBodyStreamBufferAsString)
 {
+    ScriptState::Scope scope(getScriptState());
     Checkpoint checkpoint;
     MockFetchDataLoaderClient* client = MockFetchDataLoaderClient::create();
 
@@ -377,6 +385,7 @@ TEST_F(BodyStreamBufferTest, LoadBodyStreamBufferAsString)
 
 TEST_F(BodyStreamBufferTest, LoadClosedHandle)
 {
+    ScriptState::Scope scope(getScriptState());
     Checkpoint checkpoint;
     MockFetchDataLoaderClient* client = MockFetchDataLoaderClient::create();
 
@@ -411,6 +420,7 @@ TEST_F(BodyStreamBufferTest, LoadClosedHandle)
 
 TEST_F(BodyStreamBufferTest, LoadErroredHandle)
 {
+    ScriptState::Scope scope(getScriptState());
     Checkpoint checkpoint;
     MockFetchDataLoaderClient* client = MockFetchDataLoaderClient::create();
 
@@ -444,6 +454,7 @@ TEST_F(BodyStreamBufferTest, LoadErroredHandle)
 
 TEST_F(BodyStreamBufferTest, LoaderShouldBeKeptAliveByBodyStreamBuffer)
 {
+    ScriptState::Scope scope(getScriptState());
     Checkpoint checkpoint;
     MockFetchDataLoaderClient* client = MockFetchDataLoaderClient::create();