Add entry point for passing options to the GrContextFactory

include/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 70 matching lines @@
 #endif
             case kNVPR_GLContextType:
                 return "nvpr";
             case kDebug_GLContextType:
                 return "debug";
             default:
                 SkFAIL("Unknown GL Context type.");
         }
     }
 
+    explicit GrContextFactory(const GrContext::Options& opts) : fGlobalOptions(opts) { }
     GrContextFactory() { }
 
     ~GrContextFactory() { this->destroyContexts(); }
 
     void destroyContexts() {
         for (int i = 0; i < fContexts.count(); ++i) {
             if (NULL != fContexts[i].fGLContext) {  //  could be abandoned.
                 fContexts[i].fGLContext->makeCurrent();
             }
             fContexts[i].fGrContext->unref();
@@ skipping 68 matching lines @@
             }
         } else {
             glInterface.reset(GrGLInterfaceRemoveNVPR(glInterface));
             if (!glInterface) {
                 return NULL;
             }
         }
 
         glCtx->makeCurrent();
         GrBackendContext p3dctx = reinterpret_cast<GrBackendContext>(glInterface.get());
-        grCtx.reset(GrContext::Create(kOpenGL_GrBackend, p3dctx));
+        grCtx.reset(GrContext::Create(kOpenGL_GrBackend, p3dctx, &fGlobalOptions));
         if (!grCtx.get()) {
             return NULL;
         }
         GPUContext& ctx = fContexts.push_back();
         ctx.fGLContext = glCtx.get();
         ctx.fGLContext->ref();
         ctx.fGrContext = grCtx.get();
         ctx.fGrContext->ref();
         ctx.fType = type;
         return ctx.fGrContext;
@@ skipping 10 matching lines @@
 
         return NULL;
     }
 
 private:
     struct GPUContext {
         GLContextType             fType;
         SkGLContextHelper*        fGLContext;
         GrContext*                fGrContext;
     };
-    SkTArray<GPUContext, true> fContexts;
+    SkTArray<GPUContext, true>    fContexts;
+    const GrContext::Options      fGlobalOptions;
 };
 
 #endif