Refactor read and write buffers.

Eliminates SkFlattenable{Read,Write}Buffer, promoting SkOrdered{Read,Write}Buffer
a step each in the hierarchy.

What used to be this:

SkFlattenableWriteBuffer -> SkOrderedWriteBuffer
SkFlattenableReadBuffer  -> SkOrderedReadBuffer
SkFlattenableReadBuffer  -> SkValidatingReadBuffer

is now

SkWriteBuffer
SkReadBuffer -> SkValidatingReadBuffer

Benefits:
  - code is simpler, names are less wordy
  - the generic SkFlattenableFooBuffer code in SkPaint was incorrect; removed
  - write buffers are completely devirtualized, important for record speed

This refactoring was mostly mechanical.  You aren't going to find anything
interesting in files with less than 10 lines changed.

BUG=skia:
R=reed@google.com, scroggo@google.com, djsollen@google.com, mtklein@google.com

Author: mtklein@chromium.org

Review URL: https://codereview.chromium.org/134163010

git-svn-id: http://skia.googlecode.com/svn/trunk@13245 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/AndroidPaintTest.cpp b/tests/AndroidPaintTest.cpp
index 49bab05..0fc2f9b 100644
--- a/tests/AndroidPaintTest.cpp
+++ b/tests/AndroidPaintTest.cpp
@@ -1,21 +1,21 @@
 // SkPaints only have an SkPaintOptionsAndroid if SK_BUILD_FOR_ANDROID is true.
 #ifdef SK_BUILD_FOR_ANDROID
 
-#include "SkOrderedReadBuffer.h"
-#include "SkOrderedWriteBuffer.h"
+#include "SkReadBuffer.h"
+#include "SkWriteBuffer.h"
 #include "SkPaint.h"
 #include "SkPaintOptionsAndroid.h"
 #include "Test.h"
 
 static size_t Reconstruct(const SkPaint& src, SkPaint* dst) {
-    SkOrderedWriteBuffer writer;
+    SkWriteBuffer writer;
     src.flatten(writer);
 
     const size_t size = writer.bytesWritten();
     SkAutoMalloc bytes(size);
     writer.writeToMemory(bytes.get());
 
-    SkOrderedReadBuffer reader(bytes.get(), size);
+    SkReadBuffer reader(bytes.get(), size);
     dst->unflatten(reader);
 
     return size;