GM: make behavior of make_filename() more late-binding

gm/gm_expectations.h

Index: gm/gm_expectations.h
===================================================================
--- gm/gm_expectations.h	(revision 9186)
+++ gm/gm_expectations.h	(working copy)
@@ -51,11 +51,6 @@
      */
     SkString SkPathJoin(const char *rootPath, const char *relativePath);
 
-    SkString make_filename(const char path[],

[epoger, 2013/05/19 07:02:08]

Patchset 1 just moves make_filename() from gm_expectations.[h/cpp] into
gmmain.cpp (which is the only place it is used anymore).  No behavioral change.

-                           const char renderModeDescriptor[],
-                           const char *name,
-                           const char suffix[]);
-
     Json::Value ActualResultAsJsonValue(const SkHashDigest& result);
 
     Json::Value CreateJsonTree(Json::Value expectedResults,