Add gpu_angle_passthrough_fuzzer.

gpu/BUILD.gn

 # Copyright 2014 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.
 
 import("//testing/libfuzzer/fuzzer_test.gni")
 import("//testing/test.gni")
 import("//build/config/ui.gni")
 
 config("gpu_implementation") {
   defines = [ "GPU_IMPLEMENTATION" ]
@@ skipping 407 matching lines @@
       "//base",
       "//base/third_party/dynamic_annotations",
       "//gpu/command_buffer/common:gles2_utils",
       "//ui/gfx/geometry",
       "//ui/gl",
       "//ui/gl:test_support",
     ]
 
     libfuzzer_options = [ "max_len=16384" ]
   }
+
+  fuzzer_test("gpu_angle_passthrough_fuzzer") {
+    sources = [
+      "command_buffer/tests/fuzzer_main.cc",
+    ]
+
+    defines = [
+      "GPU_FUZZER_USE_ANGLE",
+      "GPU_FUZZER_USE_PASSTHROUGH_CMD_DECODER",
+    ]
+
+    deps = [
+      ":gpu",
+      "//base",
+      "//base/third_party/dynamic_annotations",
+      "//gpu/command_buffer/common:gles2_utils",
+      "//ui/gfx/geometry",
+      "//ui/gl",
+      "//ui/gl:test_support",
+    ]
+
+    libfuzzer_options = [ "max_len=16384" ]
+  }
 }