Add GrContext::releaseAndAbandonContext()

tools/gpu/GrContextFactory.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrContextFactory_DEFINED
 #define GrContextFactory_DEFINED
 
@@ skipping 89 matching lines @@
         }
     }
 
     explicit GrContextFactory(const GrContextOptions& opts);
     GrContextFactory();
 
     ~GrContextFactory();
 
     void destroyContexts();
     void abandonContexts();
+    void releaseResourcesAndAbandonContexts();
 
     struct ContextInfo {
         ContextInfo()
             : fGrContext(nullptr), fGLContext(nullptr) { }
         ContextInfo(GrContext* grContext, GLTestContext* glContext)
             : fGrContext(grContext), fGLContext(glContext) { }
         GrContext* fGrContext;
         GLTestContext* fGLContext; //! Valid until the factory destroys it via abandonContexts() or
                                //! destroyContexts().
     };
@@ skipping 17 matching lines @@
         GLContextType       fType;
         GLContextOptions    fOptions;
         GLTestContext*          fGLContext;
         GrContext*          fGrContext;
     };
     SkTArray<Context, true> fContexts;
     const GrContextOptions  fGlobalOptions;
 };
 }  // namespace sk_gpu_test
 #endif