Made PassRefPtr move only and replaced new copies with moves.

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

Index: third_party/WebKit/Source/modules/fetch/FormDataBytesConsumer.cpp
diff --git a/third_party/WebKit/Source/modules/fetch/FormDataBytesConsumer.cpp b/third_party/WebKit/Source/modules/fetch/FormDataBytesConsumer.cpp
index 542377244bf77619ead1eaea1a8916cf931e7610..0e36d2d7df54c02992f8a87ea94caded250b6b30 100644
--- a/third_party/WebKit/Source/modules/fetch/FormDataBytesConsumer.cpp
+++ b/third_party/WebKit/Source/modules/fetch/FormDataBytesConsumer.cpp
@@ -212,7 +212,7 @@ FormDataBytesConsumer::FormDataBytesConsumer(const void* data, size_t size)
 FormDataBytesConsumer::FormDataBytesConsumer(
     ExecutionContext* executionContext,
     PassRefPtr<EncodedFormData> formData)
-    : FormDataBytesConsumer(executionContext, formData, nullptr) {}
+    : FormDataBytesConsumer(executionContext, std::move(formData), nullptr) {}
 
 FormDataBytesConsumer::FormDataBytesConsumer(
     ExecutionContext* executionContext,
@@ -220,10 +220,10 @@ FormDataBytesConsumer::FormDataBytesConsumer(
     BytesConsumer* consumer)
     : m_impl(isSimple(formData.get())
                  ? static_cast<BytesConsumer*>(
-                       new SimpleFormDataBytesConsumer(formData))
+                       new SimpleFormDataBytesConsumer(std::move(formData)))
                  : static_cast<BytesConsumer*>(
                        new ComplexFormDataBytesConsumer(executionContext,
-                                                        formData,
+                                                        std::move(formData),
                                                         consumer))) {}
 
 }  // namespace blink