Preliminary work for unprefixed MSE SourceBuffer.mode manipulation

public/platform/WebSourceBuffer.h

Index: public/platform/WebSourceBuffer.h
diff --git a/public/platform/WebSourceBuffer.h b/public/platform/WebSourceBuffer.h
index 6eceac62d1272c247a3b3ee99dcda22238166ec5..c380560e61ce387c4ac9c205cf31ad3f03eeef21 100644
--- a/public/platform/WebSourceBuffer.h
+++ b/public/platform/WebSourceBuffer.h
@@ -37,8 +37,16 @@ namespace blink {
 
 class WebSourceBuffer {
 public:
+    enum AppendMode {

[jamesr, 2014/01/09 21:31:26]

please read http://www.chromium.org/blink/public-c-api - this enum needs to
follow the public API style

[wolenetz, 2014/01/09 21:43:11]

Done, though does this enum (and enums in WebMediaSource.h) need to be prefixed
also with "Web"?

+        Segments,
+        Sequence
+    };
+
     virtual ~WebSourceBuffer() { }
 
+    // FIXME: Remove default implementation once Chromium setMode() implementation has landed. See http://crbug.com/249422.
+    virtual bool setMode(AppendMode) { return true; }
+
     virtual WebTimeRanges buffered() = 0;
     virtual void append(const unsigned char* data, unsigned length) = 0;
     virtual void abort() = 0;