mac: Components build for base, easy part

base/mac/objc_property_releaser.h

Index: base/mac/objc_property_releaser.h
diff --git a/base/mac/objc_property_releaser.h b/base/mac/objc_property_releaser.h
index 1aee6b392b7904027217d85cb62ef25d51254d52..58c9b6682329d5db717455b73072d1e3cc875434 100644
--- a/base/mac/objc_property_releaser.h
+++ b/base/mac/objc_property_releaser.h
@@ -8,6 +8,8 @@
 
 #import <Foundation/Foundation.h>
 
+#include "base/base_api.h"
+
 namespace base {
 namespace mac {
 
@@ -81,7 +83,7 @@ namespace mac {
 // will only operate on instance variables in the immediate object in which
 // the property releaser is placed.
 
-class ObjCPropertyReleaser {
+class BASE_API ObjCPropertyReleaser {
  public:
   // ObjCPropertyReleaser can only be owned by an Objective-C object, so its
   // memory is always guaranteed to be 0-initialized. Not defining the default