[ServiceWorker] Add contentType argument to BodyStreamBuffer::readAllAndCreateBlobHandle.

Source/modules/serviceworkers/BodyStreamBuffer.h

Index: Source/modules/serviceworkers/BodyStreamBuffer.h
diff --git a/Source/modules/serviceworkers/BodyStreamBuffer.h b/Source/modules/serviceworkers/BodyStreamBuffer.h
index 25a2fe2d99bfbc7ad4ebeb3f87d945281f28fa5c..d652fe91ff2985d55d342f377bc1c832dd29eee4 100644
--- a/Source/modules/serviceworkers/BodyStreamBuffer.h
+++ b/Source/modules/serviceworkers/BodyStreamBuffer.h
@@ -10,6 +10,7 @@
 #include "platform/heap/Heap.h"
 #include "wtf/Deque.h"
 #include "wtf/RefPtr.h"
+#include "wtf/text/WTFString.h"
 
 namespace blink {
 
@@ -32,13 +33,14 @@ public:
         virtual void didFail(PassRefPtrWillBeRawPtr<DOMException>) = 0;
         virtual void trace(Visitor*) { }
     };
-    BodyStreamBuffer();
+    explicit BodyStreamBuffer(const String& contentType);

[yhirano, 2014/12/11 03:44:18]

The specified content type takes effect only when readAllAndCreateBlobHandle is
called. How about moving the parameter there?

[horo, 2014/12/11 04:48:56]

Done.

     ~BodyStreamBuffer() { }
 
     PassRefPtr<DOMArrayBuffer> read();
     bool isClosed() const { return m_isClosed; }
     bool hasError() const { return m_exception; }
     PassRefPtrWillBeRawPtr<DOMException> exception() const { return m_exception; }
+    const String contentType() const { return m_contentType; }
 
     // Can't call after close() or error() was called.
     void write(PassRefPtr<DOMArrayBuffer>);
@@ -59,6 +61,7 @@ public:
 
 private:
     Deque<RefPtr<DOMArrayBuffer> > m_queue;
+    const String m_contentType;
     bool m_isClosed;
     RefPtrWillBeMember<DOMException> m_exception;
     Member<Observer> m_observer;