Rename template parameter in callback from RunType to BindRunType.

base/callback.h.pump

Index: base/callback.h.pump
diff --git a/base/callback.h.pump b/base/callback.h.pump
index 37ee56df3e2e8332f18c7745af5ee45ed280ac0e..67b4dda2046e59a5522247758619311c774dfb04 100644
--- a/base/callback.h.pump
+++ b/base/callback.h.pump
@@ -380,15 +380,16 @@ class Callback<R($for ARG , [[A$(ARG)]])> : public internal::CallbackBase {
 
   // Note that this constructor CANNOT be explicit, and that Bind() CANNOT
   // return the exact Callback<> type.  See base/bind.h for details.
-  template <typename Runnable, typename RunType, typename BoundArgsType>
-  Callback(internal::BindState<Runnable, RunType, BoundArgsType>* bind_state)
+  template <typename Runnable, typename BindRunType, typename BoundArgsType>
+  Callback(internal::BindState<Runnable, BindRunType,
+           BoundArgsType>* bind_state)
       : CallbackBase(bind_state) {
 
     // Force the assignment to a local variable of PolymorphicInvoke
     // so the compiler will typecheck that the passed in Run() method has
     // the correct type.
     PolymorphicInvoke invoke_func =
-        &internal::BindState<Runnable, RunType, BoundArgsType>
+        &internal::BindState<Runnable, BindRunType, BoundArgsType>
             ::InvokerType::Run;
     polymorphic_invoke_ = reinterpret_cast<InvokeFuncStorage>(invoke_func);
   }