Introduce content::PageState

content/common/view_messages.h

 // Copyright (c) 2012 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.
 
 // IPC messages for page rendering.
 // Multiply-included message file, hence no include guard.
 
 #include "base/process.h"
 #include "base/shared_memory.h"
 #include "base/string16.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_ack.h"
 #include "content/common/content_export.h"
 #include "content/common/content_param_traits.h"
 #include "content/common/navigation_gesture.h"
 #include "content/common/pepper_renderer_instance_data.h"
 #include "content/common/view_message_enums.h"
 #include "content/port/common/input_event_ack_state.h"
 #include "content/public/common/common_param_traits.h"
 #include "content/public/common/context_menu_params.h"
 #include "content/public/common/favicon_url.h"
 #include "content/public/common/file_chooser_params.h"
 #include "content/public/common/frame_navigate_params.h"
 #include "content/public/common/javascript_message_type.h"
+#include "content/public/common/page_state.h"
 #include "content/public/common/page_zoom.h"
 #include "content/public/common/referrer.h"
 #include "content/public/common/renderer_preferences.h"
 #include "content/public/common/stop_find_action.h"
 #include "content/public/common/three_d_api_types.h"
 #include "content/public/common/window_container_type.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_platform_file.h"
 #include "media/audio/audio_parameters.h"
@@ skipping 120 matching lines @@
   IPC_STRUCT_TRAITS_MEMBER(x)
   IPC_STRUCT_TRAITS_MEMBER(y)
   IPC_STRUCT_TRAITS_MEMBER(link_url)
   IPC_STRUCT_TRAITS_MEMBER(link_text)
   IPC_STRUCT_TRAITS_MEMBER(unfiltered_link_url)
   IPC_STRUCT_TRAITS_MEMBER(src_url)
   IPC_STRUCT_TRAITS_MEMBER(is_image_blocked)
   IPC_STRUCT_TRAITS_MEMBER(page_url)
   IPC_STRUCT_TRAITS_MEMBER(keyword_url)
   IPC_STRUCT_TRAITS_MEMBER(frame_url)
-  IPC_STRUCT_TRAITS_MEMBER(frame_content_state)
+  IPC_STRUCT_TRAITS_MEMBER(frame_page_state)
   IPC_STRUCT_TRAITS_MEMBER(media_flags)
   IPC_STRUCT_TRAITS_MEMBER(selection_text)
   IPC_STRUCT_TRAITS_MEMBER(misspelled_word)
   IPC_STRUCT_TRAITS_MEMBER(dictionary_suggestions)
   IPC_STRUCT_TRAITS_MEMBER(speech_input_enabled)
   IPC_STRUCT_TRAITS_MEMBER(spellcheck_enabled)
   IPC_STRUCT_TRAITS_MEMBER(is_editable)
 #if defined(OS_MACOSX)
   IPC_STRUCT_TRAITS_MEMBER(writing_direction_default)
   IPC_STRUCT_TRAITS_MEMBER(writing_direction_left_to_right)
@@ skipping 232 matching lines @@
   IPC_STRUCT_MEMBER(bool, was_within_same_page)
 
   // The status code of the HTTP request.
   IPC_STRUCT_MEMBER(int, http_status_code)
 
   // True if the connection was proxied.  In this case, socket_address
   // will represent the address of the proxy, rather than the remote host.
   IPC_STRUCT_MEMBER(bool, was_fetched_via_proxy)
 
   // Serialized history item state to store in the navigation entry.
-  IPC_STRUCT_MEMBER(std::string, content_state)
+  IPC_STRUCT_MEMBER(content::PageState, page_state)
 
   // Original request's URL.
   IPC_STRUCT_MEMBER(GURL, original_request_url)
 
   // User agent override used to navigate.
   IPC_STRUCT_MEMBER(bool, is_overriding_user_agent)
 
   // Notifies the browser that for this navigation, the session history was
   // successfully cleared.
   IPC_STRUCT_MEMBER(bool, history_list_was_cleared)
@@ skipping 165 matching lines @@
   IPC_STRUCT_MEMBER(GURL, history_url_for_data_url)
 
   // The URL to send in the "Referer" header field. Can be empty if there is
   // no referrer.
   IPC_STRUCT_MEMBER(content::Referrer, referrer)
 
   // The type of transition.
   IPC_STRUCT_MEMBER(content::PageTransition, transition)
 
   // Opaque history state (received by ViewHostMsg_UpdateState).
-  IPC_STRUCT_MEMBER(std::string, state)
+  IPC_STRUCT_MEMBER(content::PageState, page_state)
 
   // Type of navigation.
   IPC_STRUCT_MEMBER(ViewMsg_Navigate_Type::Value, navigation_type)
 
   // The time the request was created
   IPC_STRUCT_MEMBER(base::Time, request_time)
 
   // Extra headers (separated by \n) to send during the request.
   IPC_STRUCT_MEMBER(std::string, extra_headers)
 
@@ skipping 863 matching lines @@
 IPC_MESSAGE_ROUTED4(ViewHostMsg_MediaNotification,
                     int64 /* player_cookie, distinguishes instances */,
                     bool /* has_video */,
                     bool /* has_audio */,
                     bool /* is_playing */)
 
 // Notifies the browser that we have session history information.
 // page_id: unique ID that allows us to distinguish between history entries.
 IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateState,
                     int32 /* page_id */,
-                    std::string /* state */)
+                    content::PageState /* state */)
 
 // Notifies the browser that a document has been loaded in a frame.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_DocumentLoadedInFrame,
                     int64 /* frame_id */)
 
 // Notifies the browser that a frame finished loading.
 IPC_MESSAGE_ROUTED3(ViewHostMsg_DidFinishLoad,
                     int64 /* frame_id */,
                     GURL /* validated_url */,
                     bool /* is_main_frame */)
@@ skipping 794 matching lines @@
 // cached by the OS. Please see RenderMessageFilter::OnPreCacheFontCharacters
 // for details.
 IPC_SYNC_MESSAGE_CONTROL2_0(ViewHostMsg_PreCacheFontCharacters,
                             LOGFONT /* font_data */,
                             string16 /* characters */)
 #endif
 
 // Adding a new message? Stick to the sort order above: first platform
 // independent ViewMsg, then ifdefs for platform specific ViewMsg, then platform
 // independent ViewHostMsg, then ifdefs for platform specific ViewHostMsg.