Remove experimental/PdfViewer

experimental/PdfViewer/inc/SkPdfDiffEncoder.h

Index: experimental/PdfViewer/inc/SkPdfDiffEncoder.h
diff --git a/experimental/PdfViewer/inc/SkPdfDiffEncoder.h b/experimental/PdfViewer/inc/SkPdfDiffEncoder.h
deleted file mode 100644
index 9acd82f56904e13189c61fae8900f4d53d566eff..0000000000000000000000000000000000000000
--- a/experimental/PdfViewer/inc/SkPdfDiffEncoder.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * 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 SkPdfDiffEncoder_DEFINED
-#define SkPdfDiffEncoder_DEFINED
-
-struct PdfToken;
-
-namespace SkPdfDiffEncoder {
-    /**
-     * If PDF_TRACE_DIFF_IN_PNG is defined, the PDF commands so far are written
-     * to a file with the difference created by using this token highlighted.
-     * The file is named "/tmp/log_step_by_step/step-%i-%s.png", where %i is
-     * the number of the command and %s is the name of the command. If
-     * PDF_TRACE_DIFF_IN_PNG is not defined this function does nothing.
-     * TODO(scroggo): Pass SkPdfContext and SkCanvas for info.
-     */
-    void WriteToFile(PdfToken*);
-};
-
-#endif // SkPdfDiffEncoder_DEFINED