Blobs: Mechanism for creating Blobs in browser process, then transferring to renderer.

content/browser/fileapi/chrome_blob_storage_context.h

Index: content/browser/fileapi/chrome_blob_storage_context.h
diff --git a/content/browser/fileapi/chrome_blob_storage_context.h b/content/browser/fileapi/chrome_blob_storage_context.h
index 641e235300629c6c214693f77c25801a75035b57..1dccd99faf0a94ca48e72d52433736fa96e62301 100644
--- a/content/browser/fileapi/chrome_blob_storage_context.h
+++ b/content/browser/fileapi/chrome_blob_storage_context.h
@@ -15,6 +15,7 @@ class BlobStorageContext;
 }
 
 namespace content {
+class BlobHandle;
 class BrowserContext;
 struct ChromeBlobStorageContextDeleter;
 
@@ -40,6 +41,10 @@ class CONTENT_EXPORT ChromeBlobStorageContext
     return context_.get();
   }
 
+  // Returns a NULL scoped_ptr on failure.
+  scoped_ptr<BlobHandle> CreateMemoryBackedBlob(const char* data,
+                                                size_t length);
+
  protected:
   virtual ~ChromeBlobStorageContext();