Add functions for inspecting SkShader.

include/core/SkComposeShader.h

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkComposeShader_DEFINED
@@ skipping 44 matching lines @@
         SkShader::Context* fShaderContextB;
 
         typedef SkShader::Context INHERITED;
     };
 
 #ifdef SK_DEBUG
     SkShader* getShaderA() { return fShaderA; }
     SkShader* getShaderB() { return fShaderB; }
 #endif
 
+    virtual bool asACompose(ComposeRec* rec) const SK_OVERRIDE;
+
     SK_TO_STRING_OVERRIDE()
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkComposeShader)
 
 protected:
     SkComposeShader(SkReadBuffer& );
     virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
     virtual Context* onCreateContext(const ContextRec&, void*) const SK_OVERRIDE;
 
 private:
     SkShader*   fShaderA;
     SkShader*   fShaderB;
     SkXfermode* fMode;
 
     typedef SkShader INHERITED;
 };
 
 #endif