Web MIDI: MIDIAccessor platform implementation and Blink API

Source/core/platform/midi/MIDIAccessor.h

Index: Source/core/platform/midi/MIDIAccessor.h
diff --git a/Source/core/platform/midi/MIDIAccessor.h b/Source/core/platform/midi/MIDIAccessor.h
index e8eca4fa8e897628db2bdfdb6f2eefb95308cac2..3eaa90c9362c42f9c96afcdd857b3607f6732c32 100644
--- a/Source/core/platform/midi/MIDIAccessor.h
+++ b/Source/core/platform/midi/MIDIAccessor.h
@@ -46,14 +46,15 @@ public:
 
     virtual ~MIDIAccessor() { }
 
-    void requestAccess(int access);
+    void requestAccess(bool access);
     void sendMIDIData(unsigned portIndex, const unsigned char* data, size_t length, double timeStamp);
 
     // WebKit::WebMIDIAccessorClient
-    virtual void addInputPort(const WebKit::WebString& id, const WebKit::WebString& manufacturer, const WebKit::WebString& name, const WebKit::WebString& version) OVERRIDE;
-    virtual void addOutputPort(const WebKit::WebString& id, const WebKit::WebString& manufacturer, const WebKit::WebString& name, const WebKit::WebString& version) OVERRIDE;
-    virtual void accessApproved(bool approved) OVERRIDE;
-    virtual void receiveMIDIData(unsigned portIndex, const unsigned char* data, size_t length, double timeStamp) OVERRIDE;
+    virtual void didAddInputPort(const WebKit::WebString& id, const WebKit::WebString& manufacturer, const WebKit::WebString& name, const WebKit::WebString& version) OVERRIDE;
+    virtual void didAddOutputPort(const WebKit::WebString& id, const WebKit::WebString& manufacturer, const WebKit::WebString& name, const WebKit::WebString& version) OVERRIDE;
+    virtual void didAllowAccess() OVERRIDE;
+    virtual void didBlockAccess() OVERRIDE;
+    virtual void didReceiveMIDIData(unsigned portIndex, const unsigned char* data, size_t length, double timeStamp) OVERRIDE;
 
 private:
     MIDIAccessor(MIDIAccessorClient*);