Readd "immediate" mode

src/gpu/GrContext.cpp

Index: src/gpu/GrContext.cpp
diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index c2bcbd0bad7aef9e01e55efff336ce9433621478..bd4ca40a34b05139fa2ea39565c447bc07255456 100644
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -72,11 +72,11 @@ bool GrContext::init(GrBackend backend, GrBackendContext backendContext,
     if (!fGpu) {
         return false;
     }
-    this->initCommon(options);
+    this->initCommon();
     return true;
 }
 
-void GrContext::initCommon(const GrContextOptions& options) {
+void GrContext::initCommon() {
     fCaps = SkRef(fGpu->caps());
     fResourceCache = new GrResourceCache(fCaps);
     fResourceCache->setOverBudgetCallback(OverBudgetCB, this);