media: Handle promise resolve/rejection in CdmPromiseAdapter.

media/base/cdm_promise.h

Index: media/base/cdm_promise.h
diff --git a/media/base/cdm_promise.h b/media/base/cdm_promise.h
index f8ba2196cc691a6df018727bfb56433e4ec121f0..93515477dade35482f4e346d1d8a8b0a17fd8a68 100644
--- a/media/base/cdm_promise.h
+++ b/media/base/cdm_promise.h
@@ -57,8 +57,6 @@ class MEDIA_EXPORT CdmPromise {
 
 // For some reason the Windows compiler is not happy with the implementation
 // of CdmPromiseTemplate being in the .cc file, so moving it here.
-namespace {
-
 template <typename... T>
 struct CdmPromiseTraits {};
 
@@ -72,8 +70,6 @@ struct CdmPromiseTraits<std::string> {
   static const CdmPromise::ResolveParameterType kType = CdmPromise::STRING_TYPE;
 };
 
-}  // namespace
-
 // This class adds the resolve(T) method. This class is still an interface, and
 // is used as the type of promise that gets passed around.
 template <typename... T>