Callback: De-inline CallbackBase, and move to callback_helpers -> callback_internal.h

base/callback.h

Index: base/callback.h
diff --git a/base/callback.h b/base/callback.h
index 9e43afbef2a076159ba3f99db3261ef062b07b8c..9c76aa5246586344a2c4f2febd40fda79f623bb8 100644
--- a/base/callback.h
+++ b/base/callback.h
@@ -11,7 +11,7 @@
 #define BASE_CALLBACK_H_
 #pragma once
 
-#include "base/callback_helpers.h"
+#include "base/callback_internal.h"
 #include "base/callback_old.h"
 
 // New, super-duper, unified Callback system.  This will eventually replace
@@ -212,49 +212,6 @@
 
 namespace base {
 
-namespace internal {
-
-// Holds the methods that don't require specialization to reduce template bloat.
-class CallbackBase {
- public:
-  // Returns true if Callback is null (doesn't refer to anything).
-  bool is_null() const {
-    return invoker_storage_.get() == NULL;
-  }
-
-  // Returns the Callback into an uninitalized state.
-  void Reset() {
-    invoker_storage_ = NULL;
-    polymorphic_invoke_ = NULL;
-  }
-
-  bool Equals(const CallbackBase& other) const {
-    return invoker_storage_.get() == other.invoker_storage_.get() &&
-           polymorphic_invoke_ == other.polymorphic_invoke_;
-  }
-
- protected:
-  // In C++, it is safe to cast function pointers to function pointers of
-  // another type. It is not okay to use void*. We create a InvokeFuncStorage
-  // that that can store our function pointer, and then cast it back to
-  // the original type on usage.
-  typedef void(*InvokeFuncStorage)(void);
-
-  CallbackBase(InvokeFuncStorage polymorphic_invoke,
-               scoped_refptr<InvokerStorageBase>* invoker_storage)
-      : polymorphic_invoke_(polymorphic_invoke) {
-    if (invoker_storage) {
-      invoker_storage_.swap(*invoker_storage);
-    }
-  }
-
-  scoped_refptr<InvokerStorageBase> invoker_storage_;
-  InvokeFuncStorage polymorphic_invoke_;
-};
-
-}  // namespace internal
-
-
 // First, we forward declare the Callback class template. This informs the
 // compiler that the template only has 1 type parameter which is the function
 // signature that the Callback is representing.