Removed ManagedMemoryStats.

ppapi/proxy/ppapi_command_buffer_proxy.cc

Index: ppapi/proxy/ppapi_command_buffer_proxy.cc
diff --git a/ppapi/proxy/ppapi_command_buffer_proxy.cc b/ppapi/proxy/ppapi_command_buffer_proxy.cc
index 0623cd86368e9536fb9e7bae033b27b3522a5d5d..b9bd98fbb6d2b4a1de579a23901fdd410a80e158 100644
--- a/ppapi/proxy/ppapi_command_buffer_proxy.cc
+++ b/ppapi/proxy/ppapi_command_buffer_proxy.cc
@@ -166,11 +166,6 @@ void PpapiCommandBufferProxy::SetSurfaceVisible(bool visible) {
   NOTREACHED();
 }
 
-void PpapiCommandBufferProxy::SendManagedMemoryStats(
-    const gpu::ManagedMemoryStats& stats) {
-  NOTREACHED();
-}
-
 gpu::Capabilities PpapiCommandBufferProxy::GetCapabilities() {
   // TODO(boliu): Need to implement this to use cc in Pepper. Tracked in
   // crbug.com/325391.