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

tools/clang/blink_gc_plugin/CollectVisitor.h

Index: tools/clang/blink_gc_plugin/CollectVisitor.h
diff --git a/tools/clang/blink_gc_plugin/CollectVisitor.h b/tools/clang/blink_gc_plugin/CollectVisitor.h
deleted file mode 100644
index a3ccdd8a3311ac605add4fe09e05527b5846c1b2..0000000000000000000000000000000000000000
--- a/tools/clang/blink_gc_plugin/CollectVisitor.h
+++ /dev/null
@@ -1,35 +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_COLLECT_VISITOR_H_
-#define TOOLS_BLINK_GC_PLUGIN_COLLECT_VISITOR_H_
-
-#include <vector>
-
-#include "clang/AST/AST.h"
-#include "clang/AST/RecursiveASTVisitor.h"
-
-// This visitor collects the entry points for the checker.
-class CollectVisitor : public clang::RecursiveASTVisitor<CollectVisitor> {
- public:
-  typedef std::vector<clang::CXXRecordDecl*> RecordVector;
-  typedef std::vector<clang::CXXMethodDecl*> MethodVector;
-
-  CollectVisitor();
-
-  RecordVector& record_decls();
-  MethodVector& trace_decls();
-
-  // Collect record declarations, including nested declarations.
-  bool VisitCXXRecordDecl(clang::CXXRecordDecl* record);
-
-  // Collect tracing method definitions, but don't traverse method bodies.
-  bool VisitCXXMethodDecl(clang::CXXMethodDecl* method);
-
- private:
-  RecordVector record_decls_;
-  MethodVector trace_decls_;
-};
-
-#endif  // TOOLS_BLINK_GC_PLUGIN_COLLECT_VISITOR_H_