Thread picture version through to SkReadBuffer.

include/core/SkReadBuffer.h

Index: include/core/SkReadBuffer.h
diff --git a/include/core/SkReadBuffer.h b/include/core/SkReadBuffer.h
index dd3301ec133b9ccd9c188467a0d9bdf077fe7f65..b2daee53f06f512e4b6080e914aa9fb13a604d0a 100644
--- a/include/core/SkReadBuffer.h
+++ b/include/core/SkReadBuffer.h
@@ -41,6 +41,9 @@ public:
     SkReadBuffer(SkStream* stream);
     virtual ~SkReadBuffer();
 

[reed1, 2014/03/27 20:58:14]

/** Return the current picture version, or 0 if this has not been set */

[mtklein, 2014/03/27 21:02:48]

Done.

+    int pictureVersion() const { return fPictureVersion; }
+    void setPictureVersion(int version) { fPictureVersion = version; }
+
     enum Flags {
         kCrossProcess_Flag  = 1 << 0,
         kScalarIsFloat_Flag = 1 << 1,
@@ -184,6 +187,7 @@ private:
     bool readArray(void* value, size_t size, size_t elementSize);
 
     uint32_t fFlags;
+    int fPictureVersion;
 
     void* fMemoryPtr;