Move policy code into components/policy.

components/policy/core/common/cloud/rate_limiter.h

Index: components/policy/core/common/cloud/rate_limiter.h
diff --git a/chrome/browser/policy/cloud/rate_limiter.h b/components/policy/core/common/cloud/rate_limiter.h
similarity index 85%
rename from chrome/browser/policy/cloud/rate_limiter.h
rename to components/policy/core/common/cloud/rate_limiter.h
index 00af48dd4215278b9477fd79c5033ecc62d8c3ab..59492572ef0b5fc29beac77d55829c48559822e8 100644
--- a/chrome/browser/policy/cloud/rate_limiter.h
+++ b/components/policy/core/common/cloud/rate_limiter.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_POLICY_CLOUD_RATE_LIMITER_H_
-#define CHROME_BROWSER_POLICY_CLOUD_RATE_LIMITER_H_
+#ifndef COMPONENTS_POLICY_CORE_COMMON_CLOUD_RATE_LIMITER_H_
+#define COMPONENTS_POLICY_CORE_COMMON_CLOUD_RATE_LIMITER_H_
 
 #include <queue>
 
@@ -14,6 +14,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/threading/non_thread_safe.h"
 #include "base/time/time.h"
+#include "components/policy/policy_export.h"
 
 namespace base {
 class SequencedTaskRunner;
@@ -23,7 +24,7 @@ class TickClock;
 namespace policy {
 
 // A simple class to limit the rate at which a callback is invoked.
-class RateLimiter : public base::NonThreadSafe {
+class POLICY_EXPORT RateLimiter : public base::NonThreadSafe {
  public:
   // Will limit invocations of |callback| to |max_requests| per |duration|.
   // |task_runner| is used to post delayed tasks, and |clock| is used to
@@ -56,4 +57,4 @@ class RateLimiter : public base::NonThreadSafe {
 
 }  // namespace policy
 
-#endif  // CHROME_BROWSER_POLICY_CLOUD_RATE_LIMITER_H_
+#endif  // COMPONENTS_POLICY_CORE_COMMON_CLOUD_RATE_LIMITER_H_