Clang plugin to check that unstable types are not used in IPC.

tools/clang/plugins/FindBadConstructsConsumer.h

Index: tools/clang/plugins/FindBadConstructsConsumer.h
diff --git a/tools/clang/plugins/FindBadConstructsConsumer.h b/tools/clang/plugins/FindBadConstructsConsumer.h
index 8f8fc87046630911ac93ae59995da6d5c8ca8a68..bd8470ad7fcbdae31eff127e5733bb572cae7daa 100644
--- a/tools/clang/plugins/FindBadConstructsConsumer.h
+++ b/tools/clang/plugins/FindBadConstructsConsumer.h
@@ -20,6 +20,8 @@
 #ifndef TOOLS_CLANG_PLUGINS_FINDBADCONSTRUCTSCONSUMER_H_
 #define TOOLS_CLANG_PLUGINS_FINDBADCONSTRUCTSCONSUMER_H_
 
+#include <memory>
+
 #include "clang/AST/AST.h"
 #include "clang/AST/ASTConsumer.h"
 #include "clang/AST/Attr.h"
@@ -29,6 +31,7 @@
 #include "clang/Basic/SourceManager.h"
 #include "clang/Basic/SourceLocation.h"
 
+#include "CheckIPCVisitor.h"
 #include "ChromeClassTester.h"
 #include "Options.h"
 #include "SuppressibleDiagnosticBuilder.h"
@@ -51,6 +54,9 @@ class FindBadConstructsConsumer
                         clang::CXXRecordDecl* record) override;
   void CheckChromeEnum(clang::SourceLocation enum_location,
                        clang::EnumDecl* enum_decl) override;
+  void HandleTranslationUnit(clang::ASTContext& context) override;
+
+  CheckIPCVisitor* ipc_checker() const { return ipc_checker_.get(); }
 
  private:
   // The type of problematic ref-counting pattern that was encountered.
@@ -110,6 +116,8 @@ class FindBadConstructsConsumer
   unsigned diag_note_implicit_dtor_;
   unsigned diag_note_public_dtor_;
   unsigned diag_note_protected_non_virtual_dtor_;
+
+  std::unique_ptr<CheckIPCVisitor> ipc_checker_;
 };
 
 }  // namespace chrome_checker