[PresentationAPI] Implements send API for Blob data from WebPresentationClient

content/public/browser/presentation_session_message.h

Index: content/public/browser/presentation_session_message.h
diff --git a/content/public/browser/presentation_session_message.h b/content/public/browser/presentation_session_message.h
index 54f65fcc84e5360a583e11e20454f525e80dced2..d021347166c269509b265d189bdf275daafb8991 100644
--- a/content/public/browser/presentation_session_message.h
+++ b/content/public/browser/presentation_session_message.h
@@ -13,6 +13,12 @@
 
 namespace content {
 
+enum CONTENT_EXPORT PresentationMessageType {
+  TEXT,
+  ARRAY_BUFFER,
+  BLOB,
+};
+
 // Represents a presentation session message.
 // If this is a text message, |data| is null; otherwise, |message| is null.
 // Empty messages are allowed.
@@ -30,13 +36,15 @@ struct CONTENT_EXPORT PresentationSessionMessage {
   static scoped_ptr<PresentationSessionMessage> CreateBinaryMessage(

[mark a. foltz, 2015/06/02 23:51:02]

Prefer explicit methods to parallel the above:

CreateArrayBufferMessage()
CreateBlobMessage()

[USE s.singapati at gmail.com, 2015/06/03 15:03:50]

Done.

       const std::string& presentation_url,
       const std::string& presentation_id,
-      scoped_ptr<std::vector<uint8_t>> data);
+      scoped_ptr<std::vector<uint8_t>> data,
+      PresentationMessageType type);
 
   bool is_binary() const;
   std::string presentation_url;
   std::string presentation_id;
   scoped_ptr<std::string> message;
   scoped_ptr<std::vector<uint8_t>> data;
+  PresentationMessageType type;
 
  private:
   PresentationSessionMessage(const std::string& presentation_url,
@@ -44,7 +52,8 @@ struct CONTENT_EXPORT PresentationSessionMessage {
                              scoped_ptr<std::string> message);
   PresentationSessionMessage(const std::string& presentation_url,
                              const std::string& presentation_id,
-                             scoped_ptr<std::vector<uint8_t>> data);
+                             scoped_ptr<std::vector<uint8_t>> data,
+                             PresentationMessageType type);
 };
 
 }  // namespace content