First step towards component build for Android.

base/android/scoped_java_ref.h

Index: base/android/scoped_java_ref.h
diff --git a/base/android/scoped_java_ref.h b/base/android/scoped_java_ref.h
index 0d1e590f295f9caf7e4ee1a98f197323e705c24f..a5d71e2d23b9b8d7ad0447ed7c9c2b54e905c83b 100644
--- a/base/android/scoped_java_ref.h
+++ b/base/android/scoped_java_ref.h
@@ -8,6 +8,7 @@
 #include <jni.h>
 #include <stddef.h>
 
+#include "base/base_export.h"
 #include "base/basictypes.h"
 
 namespace base {
@@ -20,7 +21,7 @@ template<typename T> class JavaRef;
 // other JavaRef<> template types. This allows you to e.g. pass
 // ScopedJavaLocalRef<jstring> into a function taking const JavaRef<jobject>&
 template<>
-class JavaRef<jobject> {
+class BASE_EXPORT JavaRef<jobject> {
  public:
   jobject obj() const { return obj_; }