Revert "[skia][libFuzzer] Allow building targets from OSS-Fuzz on Windows"

This reverts commit b8e27a0d.

Reason for revert: Fail at compile for GPU FYI bots. Linking error
see crbug.com/903934 for more deails.

Original change's description:
> [skia][libFuzzer] Allow building targets from OSS-Fuzz on Windows
> 
> Chrome ClusterFuzz has support for Windows while OSS-Fuzz does not.
> Enable low hanging fruit that can easily be built in a Chromium build.
> 
> Bug: 903632
> Change-Id: I9b6c9bf883271d33135a4fea31a05be3d13648df
> Reviewed-on: https://chromium-review.googlesource.com/c/1328225
> Reviewed-by: Mike Klein <mtklein@chromium.org>
> Commit-Queue: Jonathan Metzman <metzman@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#606938}

TBR=kjlubick@chromium.org,mtklein@chromium.org,metzman@chromium.org

Change-Id: I9398c135a4dfaa96c8e24e6566d2af87f3212ab6
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 903632
Reviewed-on: https://chromium-review.googlesource.com/c/1330325Reviewed-by: weiliangc <weiliangc@chromium.org>
Commit-Queue: weiliangc <weiliangc@chromium.org>
Cr-Commit-Position: refs/heads/master@{#606967}

skia/BUILD.gn

@@ -9,7 +9,6 @@ import("//build/config/sanitizers/sanitizers.gni")
 import("//gpu/vulkan/features.gni")
 import("//printing/buildflags/buildflags.gni")
 import("//testing/test.gni")
-import("//testing/libfuzzer/fuzzer_test.gni")
 import("//third_party/skia/gn/shared_sources.gni")
 import("//third_party/skia/third_party/skcms/skcms.gni")
 
@@ -863,156 +862,3 @@ if (!is_ios) {
     ]
   }
 }
-
-# Build Skia fuzzers from OSS-Fuzz on Windows since Windows is not supported by
-# OSS-Fuzz.
-if (is_win) {
-  component("skia_fuzzer_lib") {
-    sources = [
-      "//third_party/skia/fuzz/Fuzz.cpp",
-      "//third_party/skia/fuzz/FuzzCommon.cpp",
-    ]
-    configs += [ ":skia_library_config" ]
-
-    # Use public_deps so each fuzzer_test doesn't need to explicitly depend on
-    # ":skia".
-    public_deps = [
-      ":skia",
-    ]
-  }
-
-  component("skia_encoder_fuzzer_lib") {
-    sources = [
-      "//third_party/skia/fuzz/FuzzEncoders.cpp",
-    ]
-    configs += [ ":skia_library_config" ]
-    deps = [
-      ":skia",
-    ]
-  }
-
-  # TODO(metzman): Enable the other fuzzers that cannot yet build in Chromium.
-  fuzzer_test("skia_region_deserialize_fuzzer") {
-    sources = [
-      "//third_party/skia/fuzz/oss_fuzz/FuzzRegionDeserialize.cpp",
-    ]
-    additional_configs = [ ":skia_library_config" ]
-    defines = [ "IS_FUZZING_WITH_LIBFUZZER" ]
-    deps = [
-      ":skia_fuzzer_lib",
-    ]
-  }
-
-  fuzzer_test("skia_image_filter_deserialize_fuzzer") {
-    sources = [
-      "//third_party/skia/fuzz/oss_fuzz/FuzzImageFilterDeserialize.cpp",
-    ]
-    additional_configs = [ ":skia_library_config" ]
-    defines = [ "IS_FUZZING_WITH_LIBFUZZER" ]
-    deps = [
-      ":skia_fuzzer_lib",
-    ]
-  }
-
-  fuzzer_test("skia_region_set_path_fuzzer") {
-    sources = [
-      "//third_party/skia/fuzz/oss_fuzz/FuzzRegionSetPath.cpp",
-    ]
-    additional_configs = [ ":skia_library_config" ]
-    defines = [ "IS_FUZZING_WITH_LIBFUZZER" ]
-    deps = [
-      ":skia_fuzzer_lib",
-    ]
-  }
-
-  fuzzer_test("skia_textblob_deserialize_fuzzer") {
-    sources = [
-      "//third_party/skia/fuzz/oss_fuzz/FuzzTextBlobDeserialize.cpp",
-    ]
-    additional_configs = [ ":skia_library_config" ]
-    defines = [ "IS_FUZZING_WITH_LIBFUZZER" ]
-    deps = [
-      ":skia_fuzzer_lib",
-    ]
-  }
-
-  fuzzer_test("skia_path_deserialize_fuzzer") {
-    sources = [
-      "//third_party/skia/fuzz/oss_fuzz/FuzzPathDeserialize.cpp",
-    ]
-    additional_configs = [ ":skia_library_config" ]
-    defines = [ "IS_FUZZING_WITH_LIBFUZZER" ]
-    deps = [
-      ":skia_fuzzer_lib",
-    ]
-  }
-
-  fuzzer_test("skia_image_decode_fuzzer") {
-    sources = [
-      "//third_party/skia/fuzz/oss_fuzz/FuzzImage.cpp",
-    ]
-    additional_configs = [ ":skia_library_config" ]
-    defines = [ "IS_FUZZING_WITH_LIBFUZZER" ]
-    deps = [
-      ":skia_fuzzer_lib",
-    ]
-  }
-
-  fuzzer_test("skia_png_encoder_fuzzer") {
-    sources = [
-      "//third_party/skia/fuzz/oss_fuzz/FuzzPNGEncoder.cpp",
-    ]
-    additional_configs = [ ":skia_library_config" ]
-    defines = [ "IS_FUZZING_WITH_LIBFUZZER" ]
-    deps = [
-      ":skia_encoder_fuzzer_lib",
-      ":skia_fuzzer_lib",
-    ]
-  }
-
-  fuzzer_test("skia_jpeg_encoder_fuzzer") {
-    sources = [
-      "//third_party/skia/fuzz/oss_fuzz/FuzzJPEGEncoder.cpp",
-    ]
-    additional_configs = [ ":skia_library_config" ]
-    defines = [ "IS_FUZZING_WITH_LIBFUZZER" ]
-    deps = [
-      ":skia_encoder_fuzzer_lib",
-      ":skia_fuzzer_lib",
-    ]
-  }
-
-  fuzzer_test("skia_webp_encoder_fuzzer") {
-    sources = [
-      "//third_party/skia/fuzz/oss_fuzz/FuzzWEBPEncoder.cpp",
-    ]
-    additional_configs = [ ":skia_library_config" ]
-    defines = [ "IS_FUZZING_WITH_LIBFUZZER" ]
-    deps = [
-      ":skia_encoder_fuzzer_lib",
-      ":skia_fuzzer_lib",
-    ]
-  }
-
-  fuzzer_test("skia_skjson_fuzzer") {
-    sources = [
-      "//third_party/skia/fuzz/oss_fuzz/FuzzJSON.cpp",
-    ]
-    additional_configs = [ ":skia_library_config" ]
-    defines = [ "IS_FUZZING_WITH_LIBFUZZER" ]
-    deps = [
-      ":skia_fuzzer_lib",
-    ]
-  }
-
-  fuzzer_test("skia_image_decode_incremental_fuzzer") {
-    sources = [
-      "//third_party/skia/fuzz/oss_fuzz/FuzzIncrementalImage.cpp",
-    ]
-    additional_configs = [ ":skia_library_config" ]
-    defines = [ "IS_FUZZING_WITH_LIBFUZZER" ]
-    deps = [
-      ":skia_fuzzer_lib",
-    ]
-  }
-}