Let DM run unit tests.

tests/Test.h

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #ifndef skiatest_Test_DEFINED
 #define skiatest_Test_DEFINED
 
@@ skipping 63 matching lines @@
         Reporter*   fReporter;
         SkString    fName;
         bool        fPassed;
         SkMSec      fElapsed;
     };
 
     class GpuTest : public Test{
     public:
         GpuTest() : Test() {}
         static GrContextFactory* GetGrContextFactory();
-        static void DestroyContexts();
         virtual bool isGPUTest() const { return true; }
     private:
     };
 
     typedef SkTRegistry<Test*(*)(void*)> TestRegistry;
 }  // namespace skiatest
 
 /*
     Use the following macros to make use of the skiatest classes, e.g.
 
@@ skipping 68 matching lines @@
         }                                                          \
         virtual void onRun(Reporter* r) SK_OVERRIDE {              \
             name(r, GetGrContextFactory());                        \
         }                                                          \
     };                                                             \
     static TestRegistry gReg_##name##Class(name##Class::Factory);  \
     }                                                              \
     static void name(skiatest::Reporter* reporter, GrContextFactory* factory)
 
 #endif