Print max RSS in GM and nanobench too.

tools/render_pdfs_main.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 "SkCanvas.h"
 #include "SkCommandLineFlags.h"
 #include "SkDocument.h"
@@ skipping 250 matching lines @@
         SkAutoTDelete<SkWStream> stream(open_stream(outputDir, files[i]));
         if (!stream.get()) {
             ++failures;
             continue;
         }
         if (!pdf_to_stream(picture, stream.get(), encode_to_dct_data)) {
             SkDebugf("Error in PDF Serialization.");
             ++failures;
         }
 
-        int max_rss_kb = sk_tools::getMaxResidentSetSizeKB();
-        if (max_rss_kb >= 0) {
-            SkDebugf(" %4dM peak rss", max_rss_kb / 1024);
+        int max_rss_mb = sk_tools::getMaxResidentSetSizeMB();
+        if (max_rss_mb >= 0) {
+            SkDebugf(" %4dM peak rss", max_rss_mb);
         }
 
         SkDebugf("\n");
     }
     if (failures != 0) {
         SkDebugf("Failed to render %i of %i PDFs.\n", failures, files.count());
         return 1;
     }
 
     return 0;
@@ skipping 13 matching lines @@
         return -1;
     }
 #endif
     return 0;
 }
 #if !defined SK_BUILD_FOR_IOS
 int main(int argc, char * const argv[]) {
     return tool_main(argc, (char**) argv);
 }
 #endif