Style plugin: remove temporary flag for checking inner classes.

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 07ead95324c816300f15348bd1b1c7ef7dd706fb..716ff34892f591c0caff839ba08ab74011b4ec85 100644
--- a/tools/clang/plugins/ChromeClassTester.h
+++ b/tools/clang/plugins/ChromeClassTester.h
@@ -17,7 +17,6 @@
 class ChromeClassTester : public clang::ASTConsumer {
  public:
   explicit ChromeClassTester(clang::CompilerInstance& instance,
-                             bool check_inner_classes,
                              bool check_cc_directory);
   virtual ~ChromeClassTester();
 
@@ -82,9 +81,6 @@ 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: Remove once all inner classes are cleaned up.
-  bool check_inner_classes_;
-
   // TODO(jamesr): Remove once cc/ directory compiles without warnings.
   bool check_cc_directory_;
 };