Move common cloud print methods from service/cloud_print to common/cloud_print.

chrome/service/cloud_print/cloud_print_token_store.h

Index: chrome/service/cloud_print/cloud_print_token_store.h
diff --git a/chrome/service/cloud_print/cloud_print_token_store.h b/chrome/service/cloud_print/cloud_print_token_store.h
index e657a9a766557b6985e45ad05eb589a8e4fbf26a..ee0d2d2c16e286ff63c65361e6bb9cdd2ed458d1 100644
--- a/chrome/service/cloud_print/cloud_print_token_store.h
+++ b/chrome/service/cloud_print/cloud_print_token_store.h
@@ -13,6 +13,8 @@
 #include "base/logging.h"
 #include "base/threading/non_thread_safe.h"
 
+namespace cloud_print {
+
 class CloudPrintTokenStore : public base::NonThreadSafe {
  public:
   // Returns the CloudPrintTokenStore instance for this thread. Will be NULL
@@ -34,4 +36,6 @@ class CloudPrintTokenStore : public base::NonThreadSafe {
   DISALLOW_COPY_AND_ASSIGN(CloudPrintTokenStore);
 };
 
+}  // namespace cloud_print
+
 #endif  // CHROME_SERVICE_CLOUD_PRINT_CLOUD_PRINT_TOKEN_STORE_H_