Template methods on Timer classes instead of the classes themselves.

content/common/gpu/gpu_channel.cc

Index: content/common/gpu/gpu_channel.cc
diff --git a/content/common/gpu/gpu_channel.cc b/content/common/gpu/gpu_channel.cc
index 7ebd553495ffca7c3e2ff1194c1b5f6910f6a037..36d59b3e1ad3433d62a2430115e8fe5c60798600 100644
--- a/content/common/gpu/gpu_channel.cc
+++ b/content/common/gpu/gpu_channel.cc
@@ -291,7 +291,7 @@ GpuChannelMessageFilter::~GpuChannelMessageFilter() {}
 void GpuChannelMessageFilter::OnFilterAdded(IPC::Sender* sender) {
   DCHECK(!sender_);
   sender_ = sender;
-  timer_ = make_scoped_ptr(new base::OneShotTimer<GpuChannelMessageFilter>);
+  timer_ = make_scoped_ptr(new base::OneShotTimer);
   for (scoped_refptr<IPC::MessageFilter>& filter : channel_filters_) {
     filter->OnFilterAdded(sender_);
   }