Add --properties for things like gitHash that describe the current nanobench run.

bench/ResultsWriter.cpp

-/*
- * 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"
-#include "SkString.h"
-#include "SkTArray.h"
-
-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;
-    }
-}
-
-Json::Value SkMakeBuilderJSON(const SkString &builderName) {
-    static const int kNumKeys = 6;
-    static const char* kKeys[kNumKeys] = {
-        "role", "os", "model", "gpu", "arch", "configuration"};
-    Json::Value builderData;
-
-    if (!builderName.isEmpty()) {
-        SkTArray<SkString> splitBuilder;
-        SkStrSplit(builderName.c_str(), "-", &splitBuilder);
-        SkASSERT(splitBuilder.count() >= kNumKeys);
-        for (int i = 0; i < kNumKeys && i < splitBuilder.count(); ++i) {
-            builderData[kKeys[i]] = splitBuilder[i].c_str();
-        }
-        builderData["builderName"] = builderName.c_str();
-        if (kNumKeys < splitBuilder.count()) {
-            SkString extras;
-            for (int i = kNumKeys; i < splitBuilder.count(); ++i) {
-                extras.append(splitBuilder[i]);
-                if (i != splitBuilder.count() - 1) {
-                    extras.append("-");
-                }
-            }
-            builderData["badParams"] = extras.c_str();
-        }
-    } 
-    return builderData;
-}