Make it clearer what's going on at the end of tests.

tests/Test.h

Index: tests/Test.h
diff --git a/tests/Test.h b/tests/Test.h
index 1aa038748f247598e4d61f44eb3d5916c7caf33f..a4baf5b13c6606b48e299da02639223410d41357 100644
--- a/tests/Test.h
+++ b/tests/Test.h
@@ -12,6 +12,7 @@
 #include "SkString.h"
 #include "SkTRegistry.h"
 #include "SkThread.h"
+#include "SkTypes.h"
 
 class GrContextFactory;
 
@@ -70,6 +71,7 @@ namespace skiatest {
         const char* getName();
         void run();
         bool passed() const { return fPassed; }
+        SkMSec elapsedMs() const { return fElapsed; }
 
         static const SkString& GetTmpDir();
 
@@ -85,6 +87,7 @@ namespace skiatest {
         Reporter*   fReporter;
         SkString    fName;
         bool        fPassed;
+        SkMSec      fElapsed;
     };
 
     class GpuTest : public Test{