Add test configs for instanced rendering

dm/DM.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "DMJsonWriter.h"
 #include "DMSrcSink.h"
 #include "DMSrcSinkAndroid.h"
@@ skipping 813 matching lines @@
 #if SK_SUPPORT_GPU
     if (gpu_supported()) {
         if (const SkCommandLineConfigGpu* gpuConfig = config->asConfigGpu()) {
             GrContextFactory::ContextType contextType = gpuConfig->getContextType();
             GrContextFactory::ContextOptions contextOptions =
                     GrContextFactory::kNone_ContextOptions;
             if (gpuConfig->getUseNVPR()) {
                 contextOptions = static_cast<GrContextFactory::ContextOptions>(
                     contextOptions | GrContextFactory::kEnableNVPR_ContextOptions);
             }
+            if (gpuConfig->getUseInstanced()) {
+                contextOptions = static_cast<GrContextFactory::ContextOptions>(
+                    contextOptions | GrContextFactory::kUseInstanced_ContextOptions);
+            }
             if (SkColorAndColorSpaceAreGammaCorrect(gpuConfig->getColorType(),
                                                     gpuConfig->getColorSpace())) {
                 contextOptions = static_cast<GrContextFactory::ContextOptions>(
                     contextOptions | GrContextFactory::kRequireSRGBSupport_ContextOptions);
             }
             GrContextFactory testFactory;
             if (!testFactory.get(contextType, contextOptions)) {
                 info("WARNING: can not create GPU context for config '%s'. "
                      "GM tests will be skipped.\n", gpuConfig->getTag().c_str());
                 return nullptr;
@@ skipping 586 matching lines @@
 #endif
 }
 } // namespace skiatest
 
 #if !defined(SK_BUILD_FOR_IOS)
 int main(int argc, char** argv) {
     SkCommandLineFlags::Parse(argc, argv);
     return dm_main();
 }
 #endif