Re-sync ios/web with downstream version

ios/web/navigation/navigation_item_impl.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef IOS_WEB_NAVIGATION_NAVIGATION_ITEM_IMPL_H_
 #define IOS_WEB_NAVIGATION_NAVIGATION_ITEM_IMPL_H_
 
 #include "base/basictypes.h"
+#include "base/mac/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "ios/web/navigation/navigation_item_facade_delegate.h"
 #include "ios/web/public/favicon_status.h"
 #include "ios/web/public/navigation_item.h"
 #include "ios/web/public/referrer.h"
 #include "ios/web/public/ssl_status.h"
 #include "url/gurl.h"
 
-
 namespace web {
 
 class NavigationItemFacadeDelegate;
 
 // Implementation of NavigationItem.
 class NavigationItemImpl : public web::NavigationItem {
  public:
   // Creates a default NavigationItemImpl.
   NavigationItemImpl();
   ~NavigationItemImpl() override;
@@ skipping 28 matching lines @@
   void SetTransitionType(ui::PageTransition transition_type) override;
   ui::PageTransition GetTransitionType() const override;
   const FaviconStatus& GetFavicon() const override;
   FaviconStatus& GetFavicon() override;
   const SSLStatus& GetSSL() const override;
   SSLStatus& GetSSL() override;
   void SetTimestamp(base::Time timestamp) override;
   base::Time GetTimestamp() const override;
   void SetUnsafe(bool is_unsafe) override;
   bool IsUnsafe() const override;
+  void SetIsOverridingUserAgent(bool is_overriding_user_agent) override;
+  bool IsOverridingUserAgent() const override;
+  bool HasPostData() const override;
+  NSDictionary* GetHttpRequestHeaders() const override;
+  void AddHttpRequestHeaders(NSDictionary* additional_headers) override;
+
+  // Serialized representation of the state object that was used in conjunction
+  // with a JavaScript window.history.pushState() or
+  // window.history.replaceState() call that created or modified this
+  // CRWSessionEntry. Intended to be used for JavaScript history operations and
+  // will be nil in most cases.
+  void SetSerializedStateObject(NSString* serialized_state_object);
+  NSString* GetSerializedStateObject() const;
+
+  // Whether or not this item was created by calling history.pushState().
+  void SetIsCreatedFromPushState(bool push_state);
+  bool IsCreatedFromPushState() const;
+
+  // Whether or not to bypass showing the resubmit data confirmation when
+  // loading a POST request. Set to YES for browser-generated POST requests.
+  void SetShouldSkipResubmitDataConfirmation(bool skip);
+  bool ShouldSkipResubmitDataConfirmation() const;
+
+  // Data submitted with a POST request, persisted for resubmits.
+  void SetPostData(NSData* post_data);
+  NSData* GetPostData() const;
+
+  // Removes the header for |key| from |http_request_headers_|.
+  void RemoveHttpRequestHeaderForKey(NSString* key);
+
+  // Removes all http headers from |http_request_headers_|.
+  void ResetHttpRequestHeaders();
 
   // Once a navigation item is committed, we should no longer track
   // non-persisted state, as documented on the members below.
   void ResetForCommit();
 
   // Whether this (pending) navigation is renderer-initiated.  Resets to false
   // for all types of navigations after commit.
   void set_is_renderer_initiated(bool is_renderer_initiated) {
     is_renderer_initiated_ = is_renderer_initiated;
   }
   bool is_renderer_initiated() const { return is_renderer_initiated_; }
 
  private:
   int unique_id_;
   GURL url_;
   Referrer referrer_;
   GURL virtual_url_;
   base::string16 title_;
   int32 page_id_;
   PageScrollState page_scroll_state_;
   ui::PageTransition transition_type_;
   FaviconStatus favicon_;
   SSLStatus ssl_;
   base::Time timestamp_;
+  bool is_overriding_user_agent_;
+  base::scoped_nsobject<NSMutableDictionary> http_request_headers_;
+
+  base::scoped_nsobject<NSString> serialized_state_object_;
+  bool is_created_from_push_state_;
+  bool should_skip_resubmit_data_confirmation_;
+  base::scoped_nsobject<NSData> post_data_;
 
   // Whether the item, while loading, was created for a renderer-initiated
   // navigation.  This dictates whether the URL should be displayed before the
   // navigation commits.  It is cleared in |ResetForCommit| and not persisted.
   bool is_renderer_initiated_;
 
   // Whether the navigation contains unsafe resources.
   bool is_unsafe_;
 
   // This is a cached version of the result of GetTitleForDisplay. When the URL,
   // virtual URL, or title is set, this should be cleared to force a refresh.
   mutable base::string16 cached_display_title_;
 
   // Weak pointer to the facade delegate.
   scoped_ptr<NavigationItemFacadeDelegate> facade_delegate_;
 
   // Copy and assignment is explicitly allowed for this class.
 };
 
 }  // namespace web
 
 #endif  // IOS_WEB_NAVIGATION_NAVIGATION_ITEM_IMPL_H_