Initial error handling code

src/core/SkSecureReadBuffer.h

Index: src/core/SkSecureReadBuffer.h
diff --git a/src/core/SkOrderedReadBuffer.h b/src/core/SkSecureReadBuffer.h
similarity index 87%
copy from src/core/SkOrderedReadBuffer.h
copy to src/core/SkSecureReadBuffer.h
index 556fce8b41495a4790bf48074dcb3ed951611439..578d0cf23a7f77d439a021d6c1e4122c05e102b4 100644
--- a/src/core/SkOrderedReadBuffer.h
+++ b/src/core/SkSecureReadBuffer.h
@@ -1,20 +1,19 @@
-
 /*

[sugoi1, 2013/08/29 18:55:53]

In case you you're curious, I didn't actually replace SkOrderedReadBuffer by
SkSecureReadBuffer, I added SkSecureReadBuffer, but it's probably easier to
review that way.

- * Copyright 2011 Google Inc.
+ * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
-#ifndef SkOrderedReadBuffer_DEFINED
-#define SkOrderedReadBuffer_DEFINED
+#ifndef SkSecureReadBuffer_DEFINED
+#define SkSecureReadBuffer_DEFINED
 
 #include "SkRefCnt.h"
 #include "SkBitmapHeap.h"
 #include "SkFlattenableBuffers.h"
 #include "SkPath.h"
 #include "SkPicture.h"
-#include "SkReader32.h"
+#include "SkSecureReader32.h"
 
 class SkBitmap;
 
@@ -22,16 +21,14 @@ class SkBitmap;
     #define DEBUG_NON_DETERMINISTIC_ASSERT
 #endif
 
-class SkOrderedReadBuffer : public SkFlattenableReadBuffer {
+class SkSecureReadBuffer : public SkFlattenableReadBuffer {
 public:
-    SkOrderedReadBuffer();
-    SkOrderedReadBuffer(const void* data, size_t size);
-    SkOrderedReadBuffer(SkStream* stream);
-    virtual ~SkOrderedReadBuffer();
-
-    virtual SkOrderedReadBuffer* getOrderedBinaryBuffer() SK_OVERRIDE { return this; }
+    SkSecureReadBuffer();
+    SkSecureReadBuffer(const void* data, size_t size);
+    SkSecureReadBuffer(SkStream* stream);
+    virtual ~SkSecureReadBuffer();
 
-    SkReader32* getReader32() { return &fReader; }
+    SkSecureReader32* getReader32() { return &fReader; }
 
     uint32_t size() { return fReader.size(); }
     uint32_t offset() { return fReader.offset(); }
@@ -113,7 +110,7 @@ public:
     }
 
 private:
-    SkReader32 fReader;
+    SkSecureReader32 fReader;
     void* fMemoryPtr;
 
     SkBitmapHeapReader* fBitmapStorage;
@@ -135,4 +132,4 @@ private:
     typedef SkFlattenableReadBuffer INHERITED;
 };
 
-#endif // SkOrderedReadBuffer_DEFINED
+#endif // SkSecureReadBuffer_DEFINED