add explicit filepaths to render_pictures JSON summary

tools/picture_utils.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "picture_utils.h"
 #include "SkColorPriv.h"
 #include "SkBitmap.h"
@@ skipping 18 matching lines @@
         }
 
         SkAutoLockPixels lock(bitmap);
         for (int y = 0; y < bitmap.height(); y++) {
             for (int x = 0; x < bitmap.width(); x++) {
                 *bitmap.getAddr32(x, y) |= (SK_A32_MASK << SK_A32_SHIFT);
             }
         }
     }
 
+    void replace_char(SkString* str, const char oldChar, const char newChar) {
+        if (NULL == str) {
+            return;
+        }
+        for (size_t i = 0; i < str->size(); ++i) {
+            if (oldChar == str->operator[](i)) {
+                str->operator[](i) = newChar;
+            }
+        }
+    }
+
     void make_filepath(SkString* path, const SkString& dir, const SkString& name) {
         size_t len = dir.size();
         path->set(dir);
         if (0 < len  && '/' != dir[len - 1]) {
             path->append("/");
         }
         path->append(name);
     }
 
     void get_basename(SkString* basename, const SkString& path) {
@@ skipping 33 matching lines @@
         SkString skString(string);
         return skString.endsWith("%");
     }
 
     void setup_bitmap(SkBitmap* bitmap, int width, int height) {
         bitmap->setConfig(SkBitmap::kARGB_8888_Config, width, height);
         bitmap->allocPixels();
         bitmap->eraseColor(SK_ColorTRANSPARENT);
     }
 }