Revert of Clean up Test's resourcePath code.

gm/gm.cpp

Index: gm/gm.cpp
diff --git a/gm/gm.cpp b/gm/gm.cpp
index 8da45c5fcb165903ca4d1a10dba756eba5ec6ca2..803874f5bc9d193c9c46a247f68397a5ba721e17 100644
--- a/gm/gm.cpp
+++ b/gm/gm.cpp
@@ -6,10 +6,9 @@
  */
 
 #include "gm.h"
-
 using namespace skiagm;
 
-const char* GM::gResourcePath;
+SkString GM::gResourcePath;
 
 GM::GM() {
     fMode = kGM_Mode;
@@ -18,7 +17,6 @@
     fHaveCalledOnceBeforeDraw = false;
     fStarterMatrix.reset();
 }
-
 GM::~GM() {}
 
 void GM::draw(SkCanvas* canvas) {
@@ -66,13 +64,5 @@
     canvas->drawRect(r, paint);
 }
 
-void GM::SetResourcePath(const char* resourcePath) {
-    gResourcePath = resourcePath;
-}
-
-SkString GM::GetResourcePath() {
-    return SkString(gResourcePath);
-}
-
 // need to explicitly declare this, or we get some weird infinite loop llist
 template GMRegistry* SkTRegistry<GM*(*)(void*)>::gHead;