Remove check_url_directory flag from clang plugin.

tools/clang/plugins/ChromeClassTester.h

Index: tools/clang/plugins/ChromeClassTester.h
diff --git a/tools/clang/plugins/ChromeClassTester.h b/tools/clang/plugins/ChromeClassTester.h
index f69a2ffe3f46bd3b92f120ae6b0f9ec77e4a0a98..6bd19a629a8248d9539286653e74e33e393ff7b8 100644
--- a/tools/clang/plugins/ChromeClassTester.h
+++ b/tools/clang/plugins/ChromeClassTester.h
@@ -16,8 +16,7 @@
 // headers to subclasses which implement CheckChromeClass().
 class ChromeClassTester : public clang::ASTConsumer {
  public:
-  explicit ChromeClassTester(clang::CompilerInstance& instance,
-                             bool check_url_directory);
+  explicit ChromeClassTester(clang::CompilerInstance& instance);
   virtual ~ChromeClassTester();
 
   // clang::ASTConsumer:
@@ -86,9 +85,6 @@ class ChromeClassTester : public clang::ASTConsumer {
 
   // List of decls to check once the current top-level decl is parsed.
   std::vector<clang::TagDecl*> pending_class_decls_;
-
-  // TODO(tfarina): Remove once url/ directory compiles without warnings.
-  bool check_url_directory_;
 };
 
 #endif  // TOOLS_CLANG_PLUGINS_CHROMECLASSTESTER_H_