Add Stream support to WebBlobRegistry and FileAPIMessageFilter.

content/browser/streams/stream.h

Index: content/browser/streams/stream.h
diff --git a/content/browser/streams/stream.h b/content/browser/streams/stream.h
index 912e4374e6a9e6b49f90d6d14c3384ce71e74401..e3b0240b0fd212425c71b83fd463a52a24c0302b 100644
--- a/content/browser/streams/stream.h
+++ b/content/browser/streams/stream.h
@@ -38,7 +38,11 @@ class CONTENT_EXPORT Stream : public base::RefCountedThreadSafe<Stream> {
     STREAM_EMPTY,
   };
 
-  // Creates a stream useable from the |security_origin|.
+  // Creates a stream.
+  //
+  // TODO(tyoshino): Add |security_origin| parameter back to prevent cross
+  // origin access to streams inside Chromium (Blink has its own origin checking
+  // mechanism).

[kinuko, 2013/07/24 13:11:05]

nit: this comment should be added in/after
https://codereview.chromium.org/19798012/ ?

[tyoshino (SeeGerritForStatus), 2013/07/24 13:56:22]

ditto. already removed

   Stream(StreamRegistry* registry,
          StreamWriteObserver* write_observer,
          const GURL& security_origin,
@@ -56,6 +60,9 @@ class CONTENT_EXPORT Stream : public base::RefCountedThreadSafe<Stream> {
 
   // Adds the data in |buffer| to the stream.  Takes ownership of |buffer|.
   void AddData(scoped_refptr<net::IOBuffer> buffer, size_t size);
+  // Adds data of |size| at |data| to the stream. This method creates a copy
+  // of the data, and then passes it to |writer_|.
+  void AddData(const char* data, size_t size);
 
   // Notifies this stream that it will not be receiving any more data.
   void Finalize();
@@ -75,6 +82,9 @@ class CONTENT_EXPORT Stream : public base::RefCountedThreadSafe<Stream> {
 
   const GURL& url() const { return url_; }
 
+  // TODO(tyoshino): Once security origin handling inside Chromium is fixed,
+  // revisit callers of the Stream constructor and fix them if necessary to
+  // pass right data (e.g. FileAPIMessageFilter). (crbug.com/263342)
   const GURL& security_origin() const { return security_origin_; }
 
  private: