Made PassRefPtr move only and replaced new copies with moves.

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

Index: third_party/WebKit/Source/modules/fetch/BlobBytesConsumer.cpp
diff --git a/third_party/WebKit/Source/modules/fetch/BlobBytesConsumer.cpp b/third_party/WebKit/Source/modules/fetch/BlobBytesConsumer.cpp
index 06a8eb64827250e09f72e4b81384b3609cb4a634..19087874f63b0ed3d0c6747cf43a6451fddfe2af 100644
--- a/third_party/WebKit/Source/modules/fetch/BlobBytesConsumer.cpp
+++ b/third_party/WebKit/Source/modules/fetch/BlobBytesConsumer.cpp
@@ -36,7 +36,7 @@ BlobBytesConsumer::BlobBytesConsumer(ExecutionContext* executionContext,
 
 BlobBytesConsumer::BlobBytesConsumer(ExecutionContext* executionContext,
                                      PassRefPtr<BlobDataHandle> blobDataHandle)
-    : BlobBytesConsumer(executionContext, blobDataHandle, nullptr) {}
+    : BlobBytesConsumer(executionContext, std::move(blobDataHandle), nullptr) {}
 
 BlobBytesConsumer::~BlobBytesConsumer() {}
 
@@ -265,7 +265,8 @@ BlobBytesConsumer* BlobBytesConsumer::createForTesting(
     ExecutionContext* executionContext,
     PassRefPtr<BlobDataHandle> blobDataHandle,
     ThreadableLoader* loader) {
-  return new BlobBytesConsumer(executionContext, blobDataHandle, loader);
+  return new BlobBytesConsumer(executionContext, std::move(blobDataHandle),
+                               loader);
 }
 
 ThreadableLoader* BlobBytesConsumer::createLoader() {