12 files changed, 12 insertions, 0 deletions
diff --git a/chrome/browser/sync/syncable/blob.h b/chrome/browser/sync/syncable/blob.h
index bb0665e..54d1d00 100644
--- a/chrome/browser/sync/syncable/blob.h
+++ b/chrome/browser/sync/syncable/blob.h
@@ -4,6 +4,7 @@
 
 #ifndef CHROME_BROWSER_SYNC_SYNCABLE_BLOB_H_
 #define CHROME_BROWSER_SYNC_SYNCABLE_BLOB_H_
+#pragma once
 
 #include <vector>
 
diff --git a/chrome/browser/sync/syncable/dir_open_result.h b/chrome/browser/sync/syncable/dir_open_result.h
index 0090236..f64c6a6 100644
--- a/chrome/browser/sync/syncable/dir_open_result.h
+++ b/chrome/browser/sync/syncable/dir_open_result.h
@@ -4,6 +4,7 @@
 
 #ifndef CHROME_BROWSER_SYNC_SYNCABLE_DIR_OPEN_RESULT_H_
 #define CHROME_BROWSER_SYNC_SYNCABLE_DIR_OPEN_RESULT_H_
+#pragma once
 
 namespace syncable {
 enum DirOpenResult { OPENED,   // success.
diff --git a/chrome/browser/sync/syncable/directory_backing_store.h b/chrome/browser/sync/syncable/directory_backing_store.h
index 36322e8..3739b39 100644
--- a/chrome/browser/sync/syncable/directory_backing_store.h
+++ b/chrome/browser/sync/syncable/directory_backing_store.h
@@ -4,6 +4,7 @@
 
 #ifndef CHROME_BROWSER_SYNC_SYNCABLE_DIRECTORY_BACKING_STORE_H_
 #define CHROME_BROWSER_SYNC_SYNCABLE_DIRECTORY_BACKING_STORE_H_
+#pragma once
 
 #include <set>
 #include <string>
diff --git a/chrome/browser/sync/syncable/directory_event.h b/chrome/browser/sync/syncable/directory_event.h
index fd25c88..3f91679 100644
--- a/chrome/browser/sync/syncable/directory_event.h
+++ b/chrome/browser/sync/syncable/directory_event.h
@@ -4,6 +4,7 @@
 
 #ifndef CHROME_BROWSER_SYNC_SYNCABLE_DIRECTORY_EVENT_H_
 #define CHROME_BROWSER_SYNC_SYNCABLE_DIRECTORY_EVENT_H_
+#pragma once
 
 namespace syncable {
 
diff --git a/chrome/browser/sync/syncable/directory_manager.h b/chrome/browser/sync/syncable/directory_manager.h
index 103ec30..d5dfea8 100644
--- a/chrome/browser/sync/syncable/directory_manager.h
+++ b/chrome/browser/sync/syncable/directory_manager.h
@@ -11,6 +11,7 @@
 // Directory objects everywhere.
 #ifndef CHROME_BROWSER_SYNC_SYNCABLE_DIRECTORY_MANAGER_H_
 #define CHROME_BROWSER_SYNC_SYNCABLE_DIRECTORY_MANAGER_H_
+#pragma once
 
 #include <string>
 #include <vector>
diff --git a/chrome/browser/sync/syncable/model_type.h b/chrome/browser/sync/syncable/model_type.h
index 5c34fb8..613615e 100644
--- a/chrome/browser/sync/syncable/model_type.h
+++ b/chrome/browser/sync/syncable/model_type.h
@@ -8,6 +8,7 @@
 
 #ifndef CHROME_BROWSER_SYNC_SYNCABLE_MODEL_TYPE_H_
 #define CHROME_BROWSER_SYNC_SYNCABLE_MODEL_TYPE_H_
+#pragma once
 
 #include <bitset>
 #include <set>
diff --git a/chrome/browser/sync/syncable/path_name_cmp.h b/chrome/browser/sync/syncable/path_name_cmp.h
index 6c2e138..1da0200 100644
--- a/chrome/browser/sync/syncable/path_name_cmp.h
+++ b/chrome/browser/sync/syncable/path_name_cmp.h
@@ -4,6 +4,7 @@
 
 #ifndef CHROME_BROWSER_SYNC_SYNCABLE_PATH_NAME_CMP_H_
 #define CHROME_BROWSER_SYNC_SYNCABLE_PATH_NAME_CMP_H_
+#pragma once
 
 #include <string>
 
diff --git a/chrome/browser/sync/syncable/syncable-inl.h b/chrome/browser/sync/syncable/syncable-inl.h
index 1a34325..79845cf 100644
--- a/chrome/browser/sync/syncable/syncable-inl.h
+++ b/chrome/browser/sync/syncable/syncable-inl.h
@@ -4,6 +4,7 @@
 
 #ifndef CHROME_BROWSER_SYNC_SYNCABLE_SYNCABLE_INL_H_
 #define CHROME_BROWSER_SYNC_SYNCABLE_SYNCABLE_INL_H_
+#pragma once
 
 #include "chrome/common/sqlite_utils.h"
 
diff --git a/chrome/browser/sync/syncable/syncable.h b/chrome/browser/sync/syncable/syncable.h
index 15b08c3..f227989 100644
--- a/chrome/browser/sync/syncable/syncable.h
+++ b/chrome/browser/sync/syncable/syncable.h
@@ -4,6 +4,7 @@
 
 #ifndef CHROME_BROWSER_SYNC_SYNCABLE_SYNCABLE_H_
 #define CHROME_BROWSER_SYNC_SYNCABLE_SYNCABLE_H_
+#pragma once
 
 #include <algorithm>
 #include <bitset>
diff --git a/chrome/browser/sync/syncable/syncable_changes_version.h b/chrome/browser/sync/syncable/syncable_changes_version.h
index 26a5eb8..51cd3f8 100644
--- a/chrome/browser/sync/syncable/syncable_changes_version.h
+++ b/chrome/browser/sync/syncable/syncable_changes_version.h
@@ -4,6 +4,7 @@
 
 #ifndef CHROME_BROWSER_SYNC_SYNCABLE_SYNCABLE_CHANGES_VERSION_H_
 #define CHROME_BROWSER_SYNC_SYNCABLE_SYNCABLE_CHANGES_VERSION_H_
+#pragma once
 
 namespace syncable {
 
diff --git a/chrome/browser/sync/syncable/syncable_columns.h b/chrome/browser/sync/syncable/syncable_columns.h
index 398a00f..94bd0ac 100644
--- a/chrome/browser/sync/syncable/syncable_columns.h
+++ b/chrome/browser/sync/syncable/syncable_columns.h
@@ -4,6 +4,7 @@
 
 #ifndef CHROME_BROWSER_SYNC_SYNCABLE_SYNCABLE_COLUMNS_H_
 #define CHROME_BROWSER_SYNC_SYNCABLE_SYNCABLE_COLUMNS_H_
+#pragma once
 
 #include "chrome/browser/sync/syncable/syncable.h"
 #include "chrome/browser/sync/syncable/syncable_changes_version.h"
diff --git a/chrome/browser/sync/syncable/syncable_id.h b/chrome/browser/sync/syncable/syncable_id.h
index ed8a2e5..55a44f1 100644
--- a/chrome/browser/sync/syncable/syncable_id.h
+++ b/chrome/browser/sync/syncable/syncable_id.h
@@ -4,6 +4,7 @@
 
 #ifndef CHROME_BROWSER_SYNC_SYNCABLE_SYNCABLE_ID_H_
 #define CHROME_BROWSER_SYNC_SYNCABLE_SYNCABLE_ID_H_
+#pragma once
 
 #include <iosfwd>
 #include <limits>