Revert of PictureBenchmark JSON logging

bench/ResultsWriter.cpp

Index: bench/ResultsWriter.cpp
diff --git a/bench/ResultsWriter.cpp b/bench/ResultsWriter.cpp
deleted file mode 100644
index 0bfcba8b1e4982ceaae76fc790005b8fb3a86099..0000000000000000000000000000000000000000
--- a/bench/ResultsWriter.cpp
+++ /dev/null
@@ -1,33 +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.
- *
- * Helper functions for result writing operations.
- */
-
-#include "ResultsWriter.h"
-
-#ifdef SK_BUILD_JSON_WRITER
-
-Json::Value* SkFindNamedNode(Json::Value* root, const char name[]) {
-    Json::Value* search_results = NULL;
-    for(Json::Value::iterator iter = root->begin();
-            iter!= root->end(); ++iter) {
-        if(SkString(name).equals((*iter)["name"].asCString())) {
-            search_results = &(*iter);
-            break;
-        }
-    }
-
-    if(search_results != NULL) {
-        return search_results;
-    } else {
-        Json::Value* new_val = &(root->append(Json::Value()));
-        (*new_val)["name"] = name;
-        return new_val;
-    }
-}
-
-#endif // SK_BUILD_JSON_WRITER