Revert of extract some common code from PictureRenderer

tools/image_expectations.h

Index: tools/image_expectations.h
diff --git a/tools/image_expectations.h b/tools/image_expectations.h
deleted file mode 100644
index 432cf6d3a80bd3f4cbe2e563c2c0d4116a47d7a5..0000000000000000000000000000000000000000
--- a/tools/image_expectations.h
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Copyright 2014 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef image_expectations_DEFINED
-#define image_expectations_DEFINED
-
-#include "SkBitmap.h"
-#include "SkJSONCPP.h"
-
-namespace sk_tools {
-
-    /**
-     * Class for collecting image results (checksums) as we go.
-     */
-    class ImageResultsSummary {
-    public:
-        /**
-         * Adds this image to the summary of results.
-         *
-         * @param sourceName name of the source file that generated this result
-         * @param fileName relative path to the image output file on local disk
-         * @param hash hash to store
-         * @param tileNumber if not NULL, ptr to tile number
-         */
-        void add(const char *sourceName, const char *fileName, uint64_t hash,
-                 const int *tileNumber=NULL);
-
-        /**
-         * Adds this image to the summary of results.
-         *
-         * @param sourceName name of the source file that generated this result
-         * @param fileName relative path to the image output file on local disk
-         * @param bitmap bitmap to store the hash of
-         * @param tileNumber if not NULL, ptr to tile number
-         */
-        void add(const char *sourceName, const char *fileName, const SkBitmap& bitmap,
-                 const int *tileNumber=NULL);
-
-        /**
-         * Writes the summary (as constructed so far) to a file.
-         *
-         * @param filename path to write the summary to
-         */
-        void writeToFile(const char *filename);
-
-    private:
-        Json::Value fActualResults;
-    };
-
-} // namespace sk_tools
-
-#endif  // image_expectations_DEFINED