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-rw-r--r--base/metrics/field_trial.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/base/metrics/field_trial.h b/base/metrics/field_trial.h
index 7db6e02..2ba31841 100644
--- a/base/metrics/field_trial.h
+++ b/base/metrics/field_trial.h
@@ -78,6 +78,7 @@
#include <map>
#include <string>
+#include "base/base_api.h"
#include "base/gtest_prod_util.h"
#include "base/ref_counted.h"
#include "base/synchronization/lock.h"
@@ -87,7 +88,7 @@ namespace base {
class FieldTrialList;
-class FieldTrial : public RefCounted<FieldTrial> {
+class BASE_API FieldTrial : public RefCounted<FieldTrial> {
public:
typedef int Probability; // Probability type for being selected in a trial.
@@ -210,7 +211,7 @@ class FieldTrial : public RefCounted<FieldTrial> {
// Class with a list of all active field trials. A trial is active if it has
// been registered, which includes evaluating its state based on its probaility.
// Only one instance of this class exists.
-class FieldTrialList {
+class BASE_API FieldTrialList {
public:
// Define a separator charactor to use when creating a persistent form of an
// instance. This is intended for use as a command line argument, passed to a