Add unittest to avoid duplicate id in gpu driver bug list

gpu/config/gpu_blacklist_unittest.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gpu/config/gpu_blacklist.h"
 
 #include <memory>
 
 #include "gpu/config/gpu_control_list_jsons.h"
 #include "gpu/config/gpu_feature_type.h"
@@ skipping 63 matching lines @@
  private:
   GPUInfo gpu_info_;
 };
 
 TEST_F(GpuBlacklistTest, CurrentBlacklistValidation) {
   std::unique_ptr<GpuBlacklist> blacklist(GpuBlacklist::Create());
   EXPECT_TRUE(blacklist->LoadList(
       kSoftwareRenderingListJson, GpuBlacklist::kAllOs));
 }
 
+TEST_F(GpuBlacklistTest, DuplicatedIDValidation) {
+  std::unique_ptr<GpuBlacklist> blacklist(GpuBlacklist::Create());
+  EXPECT_TRUE(blacklist->LoadList(
+      kSoftwareRenderingListJson, GpuBlacklist::kAllOs));
+  EXPECT_FALSE(blacklist->has_duplicated_entry_id());
+}
+
 #define GPU_BLACKLIST_FEATURE_TEST(test_name, feature_name, feature_type) \
 TEST_F(GpuBlacklistTest, test_name) {                                     \
   RunFeatureTest(feature_name, feature_type);                             \
 }
 
 GPU_BLACKLIST_FEATURE_TEST(Accelerated2DCanvas,
                            "accelerated_2d_canvas",
                            GPU_FEATURE_TYPE_ACCELERATED_2D_CANVAS)
 
 GPU_BLACKLIST_FEATURE_TEST(GpuCompositing,
@@ skipping 30 matching lines @@
 
 GPU_BLACKLIST_FEATURE_TEST(GpuRasterization,
                            "gpu_rasterization",
                            GPU_FEATURE_TYPE_GPU_RASTERIZATION)
 
 GPU_BLACKLIST_FEATURE_TEST(AcceleratedVpxDecode,
                            "accelerated_vpx_decode",
                            GPU_FEATURE_TYPE_ACCELERATED_VPX_DECODE)
 
 }  // namespace gpu