Remove tools/clang (this will break things temporarily).

tools/clang/blink_gc_plugin/BlinkGCPluginOptions.h

Index: tools/clang/blink_gc_plugin/BlinkGCPluginOptions.h
diff --git a/tools/clang/blink_gc_plugin/BlinkGCPluginOptions.h b/tools/clang/blink_gc_plugin/BlinkGCPluginOptions.h
deleted file mode 100644
index 812d3a64eee17f869b6603d48eb8e3556dbd693d..0000000000000000000000000000000000000000
--- a/tools/clang/blink_gc_plugin/BlinkGCPluginOptions.h
+++ /dev/null
@@ -1,27 +0,0 @@
-// Copyright 2015 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.
-
-#ifndef TOOLS_BLINK_GC_PLUGIN_BLINK_GC_PLUGIN_OPTIONS_H_
-#define TOOLS_BLINK_GC_PLUGIN_BLINK_GC_PLUGIN_OPTIONS_H_
-
-#include <set>
-#include <string>
-#include <vector>
-
-struct BlinkGCPluginOptions {
-  BlinkGCPluginOptions()
-      : enable_oilpan(false),
-        dump_graph(false),
-        warn_raw_ptr(false),
-        warn_unneeded_finalizer(false) {}
-  bool enable_oilpan;
-  bool dump_graph;
-  bool warn_raw_ptr;
-  bool warn_unneeded_finalizer;
-  std::set<std::string> ignored_classes;
-  std::set<std::string> checked_namespaces;
-  std::vector<std::string> ignored_directories;
-};
-
-#endif  // TOOLS_BLINK_GC_PLUGIN_BLINK_GC_PLUGIN_OPTIONS_H_