net: Add NET_API to net/base

net/base/host_resolver_proc.h

Index: net/base/host_resolver_proc.h
===================================================================
--- net/base/host_resolver_proc.h	(revision 85332)
+++ net/base/host_resolver_proc.h	(working copy)
@@ -10,6 +10,7 @@
 
 #include "base/memory/ref_counted.h"
 #include "net/base/address_family.h"
+#include "net/base/net_api.h"
 
 namespace net {
 
@@ -22,7 +23,8 @@
 //
 // Note that implementations of HostResolverProc *MUST BE THREADSAFE*, since
 // the HostResolver implementation using them can be multi-threaded.
-class HostResolverProc : public base::RefCountedThreadSafe<HostResolverProc> {
+class NET_API HostResolverProc
+    : public base::RefCountedThreadSafe<HostResolverProc> {
  public:
   explicit HostResolverProc(HostResolverProc* previous);
 
@@ -83,11 +85,11 @@
 // |addrlist| with a list of socket addresses. Otherwise returns a
 // network error code, and fills |os_error| with a more specific errir if it
 // was non-NULL.
-int SystemHostResolverProc(const std::string& host,
-                           AddressFamily address_family,
-                           HostResolverFlags host_resolver_flags,
-                           AddressList* addrlist,
-                           int* os_error);
+NET_TEST int SystemHostResolverProc(const std::string& host,
+                                    AddressFamily address_family,
+                                    HostResolverFlags host_resolver_flags,
+                                    AddressList* addrlist,
+                                    int* os_error);
 
 }  // namespace net