Rename WebKit namespace to blink (part 3)

content/public/renderer/history_item_serialization.h

Index: content/public/renderer/history_item_serialization.h
diff --git a/content/public/renderer/history_item_serialization.h b/content/public/renderer/history_item_serialization.h
index 44eb1e1c09491e27d81f6d44c3e7ab16cbad02e6..dda1cf406fa8bb019b6d94a62ee6b09c2cc0550e 100644
--- a/content/public/renderer/history_item_serialization.h
+++ b/content/public/renderer/history_item_serialization.h
@@ -9,7 +9,7 @@
 
 #include "content/common/content_export.h"
 
-namespace WebKit {
+namespace blink {
 class WebHistoryItem;
 }
 
@@ -17,8 +17,8 @@ namespace content {
 class PageState;
 
 CONTENT_EXPORT PageState HistoryItemToPageState(
-    const WebKit::WebHistoryItem& item);
-CONTENT_EXPORT WebKit::WebHistoryItem PageStateToHistoryItem(
+    const blink::WebHistoryItem& item);
+CONTENT_EXPORT blink::WebHistoryItem PageStateToHistoryItem(
     const PageState& state);
 
 }  // namespace content