Move part of metrics from chrome/common to components

components/metrics/metrics_log_base.h

Index: components/metrics/metrics_log_base.h
diff --git a/chrome/common/metrics/metrics_log_base.h b/components/metrics/metrics_log_base.h
similarity index 92%
rename from chrome/common/metrics/metrics_log_base.h
rename to components/metrics/metrics_log_base.h
index f0124d83132a50b5b825c2b14bfcdca885c84477..30b3125ff668ef86cde0dce0ad77fbb17298f727 100644
--- a/chrome/common/metrics/metrics_log_base.h
+++ b/components/metrics/metrics_log_base.h
@@ -5,23 +5,22 @@
 // This file defines a set of user experience metrics data recorded by
 // the MetricsService.  This is the unit of data that is sent to the server.
 
-#ifndef CHROME_COMMON_METRICS_METRICS_LOG_BASE_H_
-#define CHROME_COMMON_METRICS_METRICS_LOG_BASE_H_
+#ifndef COMPONENTS_METRICS_METRICS_LOG_BASE_H_
+#define COMPONENTS_METRICS_METRICS_LOG_BASE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/metrics/histogram.h"
 #include "base/time/time.h"
-#include "chrome/common/metrics/proto/chrome_user_metrics_extension.pb.h"
-#include "content/public/common/page_transition_types.h"
-
-class GURL;
+#include "components/metrics/proto/chrome_user_metrics_extension.pb.h"
 
 namespace base {
 class HistogramSamples;
 }  // namespace base
 
+namespace metrics {
+
 // This class provides base functionality for logging metrics data.
 class MetricsLogBase {
  public:
@@ -106,4 +105,6 @@ class MetricsLogBase {
   DISALLOW_COPY_AND_ASSIGN(MetricsLogBase);
 };
 
-#endif  // CHROME_COMMON_METRICS_METRICS_LOG_BASE_H_
+}  // namespace metrics
+
+#endif  // COMPONENTS_METRICS_METRICS_LOG_BASE_H_