OOPIF: Support session restore by combining/splitting frame states.

content/common/frame_messages.h

 // Copyright 2013 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 interacting with frames.
 // Multiply-included message file, hence no include guard.
 
 #include "cc/surfaces/surface_id.h"
 #include "cc/surfaces/surface_sequence.h"
 #include "content/common/content_export.h"
 #include "content/common/content_param_traits.h"
 #include "content/common/frame_message_enums.h"
 #include "content/common/frame_param.h"
 #include "content/common/frame_replication_state.h"
 #include "content/common/navigation_gesture.h"
 #include "content/common/navigation_params.h"
+#include "content/common/page_state_serialization.h"
 #include "content/common/resource_request_body.h"
 #include "content/common/savable_subframe.h"
 #include "content/public/common/color_suggestion.h"
 #include "content/public/common/common_param_traits.h"
 #include "content/public/common/console_message_level.h"
 #include "content/public/common/context_menu_params.h"
 #include "content/public/common/frame_navigate_params.h"
 #include "content/public/common/javascript_message_type.h"
 #include "content/public/common/message_port_types.h"
 #include "content/public/common/page_importance_signals.h"
@@ skipping 26 matching lines @@
 IPC_ENUM_TRAITS_MAX_VALUE(FrameMsg_Navigate_Type::Value,
                           FrameMsg_Navigate_Type::NAVIGATE_TYPE_LAST)
 IPC_ENUM_TRAITS_MAX_VALUE(FrameMsg_UILoadMetricsReportType::Value,
                           FrameMsg_UILoadMetricsReportType::REPORT_TYPE_LAST)
 IPC_ENUM_TRAITS_MAX_VALUE(blink::WebContextMenuData::MediaType,
                           blink::WebContextMenuData::MediaTypeLast)
 IPC_ENUM_TRAITS_MAX_VALUE(blink::WebContextMenuData::InputFieldType,
                           blink::WebContextMenuData::InputFieldTypeLast)
 IPC_ENUM_TRAITS_MAX_VALUE(blink::WebFrameOwnerProperties::ScrollingMode,
                           blink::WebFrameOwnerProperties::ScrollingMode::Last)
+IPC_ENUM_TRAITS_MAX_VALUE(blink::WebHistoryScrollRestorationType,
+                          blink::WebHistoryScrollRestorationType::Last)
+IPC_ENUM_TRAITS_MAX_VALUE(blink::WebHTTPBody::Element::Type,
+                          blink::WebHTTPBody::Element::Type::Last)
 IPC_ENUM_TRAITS(blink::WebSandboxFlags)  // Bitmask.
 IPC_ENUM_TRAITS_MAX_VALUE(blink::WebTreeScopeType,
                           blink::WebTreeScopeType::Last)
 IPC_ENUM_TRAITS_MAX_VALUE(ui::MenuSourceType, ui::MENU_SOURCE_TYPE_LAST)
 IPC_ENUM_TRAITS_MIN_MAX_VALUE(content::LoFiState,
                               content::LOFI_UNSPECIFIED,
                               content::LOFI_ON)
 
 IPC_STRUCT_TRAITS_BEGIN(content::ColorSuggestion)
   IPC_STRUCT_TRAITS_MEMBER(color)
@@ skipping 89 matching lines @@
   IPC_STRUCT_TRAITS_MEMBER(referrer)
   IPC_STRUCT_TRAITS_MEMBER(transition)
   IPC_STRUCT_TRAITS_MEMBER(redirects)
   IPC_STRUCT_TRAITS_MEMBER(should_update_history)
   IPC_STRUCT_TRAITS_MEMBER(searchable_form_url)
   IPC_STRUCT_TRAITS_MEMBER(searchable_form_encoding)
   IPC_STRUCT_TRAITS_MEMBER(contents_mime_type)
   IPC_STRUCT_TRAITS_MEMBER(socket_address)
 IPC_STRUCT_TRAITS_END()
 
+IPC_STRUCT_TRAITS_BEGIN(content::ExplodedHttpBodyElement)
+  IPC_STRUCT_TRAITS_MEMBER(type)
+  IPC_STRUCT_TRAITS_MEMBER(data)
+  IPC_STRUCT_TRAITS_MEMBER(file_path)
+  IPC_STRUCT_TRAITS_MEMBER(filesystem_url)
+  IPC_STRUCT_TRAITS_MEMBER(file_start)
+  IPC_STRUCT_TRAITS_MEMBER(file_length)
+  IPC_STRUCT_TRAITS_MEMBER(file_modification_time)
+  IPC_STRUCT_TRAITS_MEMBER(blob_uuid)
+IPC_STRUCT_TRAITS_END()
+
+IPC_STRUCT_TRAITS_BEGIN(content::ExplodedHttpBody)
+  IPC_STRUCT_TRAITS_MEMBER(http_content_type)
+  IPC_STRUCT_TRAITS_MEMBER(elements)
+  IPC_STRUCT_TRAITS_MEMBER(identifier)
+  IPC_STRUCT_TRAITS_MEMBER(contains_passwords)
+  IPC_STRUCT_TRAITS_MEMBER(is_null)
+IPC_STRUCT_TRAITS_END()
+
+IPC_STRUCT_TRAITS_BEGIN(content::ExplodedFrameState)
+  IPC_STRUCT_TRAITS_MEMBER(url_string)
+  IPC_STRUCT_TRAITS_MEMBER(referrer)
+  IPC_STRUCT_TRAITS_MEMBER(target)
+  IPC_STRUCT_TRAITS_MEMBER(state_object)
+  IPC_STRUCT_TRAITS_MEMBER(document_state)
+  IPC_STRUCT_TRAITS_MEMBER(scroll_restoration_type)
+  IPC_STRUCT_TRAITS_MEMBER(visual_viewport_scroll_offset)
+  IPC_STRUCT_TRAITS_MEMBER(scroll_offset)
+  IPC_STRUCT_TRAITS_MEMBER(item_sequence_number)
+  IPC_STRUCT_TRAITS_MEMBER(document_sequence_number)
+  IPC_STRUCT_TRAITS_MEMBER(page_scale_factor)
+  IPC_STRUCT_TRAITS_MEMBER(referrer_policy)
+  IPC_STRUCT_TRAITS_MEMBER(http_body)
+  IPC_STRUCT_TRAITS_MEMBER(children)
+IPC_STRUCT_TRAITS_END()
+
 // Parameters structure for FrameHostMsg_DidCommitProvisionalLoad, which has
 // too many data parameters to be reasonably put in a predefined IPC message.
 IPC_STRUCT_BEGIN_WITH_PARENT(FrameHostMsg_DidCommitProvisionalLoad_Params,
                              content::FrameNavigateParams)
   IPC_STRUCT_TRAITS_PARENT(content::FrameNavigateParams)
 
   // This is the value from the browser (copied from the navigation request)
   // indicating whether it intended to make a new entry. TODO(avi): Remove this
   // when the pending entry situation is made sane and the browser keeps them
   // around long enough to match them via nav_entry_id.
@@ skipping 25 matching lines @@
 
   // This flag is used to warn if the renderer is displaying an error page,
   // so that we can set the appropriate page type.
   IPC_STRUCT_MEMBER(bool, url_is_unreachable)
 
   // 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.
+  // Only used if SiteIsolationPolicy::UseSubframeNavigationEntries is false.
   IPC_STRUCT_MEMBER(content::PageState, page_state)
 
+  // Serialized history item state to store in the FrameNavigationEntry.
+  // Only used if SiteIsolationPolicy::UseSubframeNavigationEntries is true.
+  IPC_STRUCT_MEMBER(content::ExplodedFrameState, frame_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 78 matching lines @@
   IPC_STRUCT_TRAITS_MEMBER(transferred_request_child_id)
   IPC_STRUCT_TRAITS_MEMBER(transferred_request_request_id)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(content::RequestNavigationParams)
   IPC_STRUCT_TRAITS_MEMBER(is_overriding_user_agent)
   IPC_STRUCT_TRAITS_MEMBER(redirects)
   IPC_STRUCT_TRAITS_MEMBER(can_load_local_resources)
   IPC_STRUCT_TRAITS_MEMBER(request_time)
   IPC_STRUCT_TRAITS_MEMBER(page_state)
+  IPC_STRUCT_TRAITS_MEMBER(frame_state)
   IPC_STRUCT_TRAITS_MEMBER(page_id)
   IPC_STRUCT_TRAITS_MEMBER(nav_entry_id)
   IPC_STRUCT_TRAITS_MEMBER(is_same_document_history_load)
   IPC_STRUCT_TRAITS_MEMBER(has_committed_real_load)
   IPC_STRUCT_TRAITS_MEMBER(intended_as_new_entry)
   IPC_STRUCT_TRAITS_MEMBER(pending_history_list_offset)
   IPC_STRUCT_TRAITS_MEMBER(current_history_list_offset)
   IPC_STRUCT_TRAITS_MEMBER(current_history_list_length)
   IPC_STRUCT_TRAITS_MEMBER(should_clear_history_list)
   IPC_STRUCT_TRAITS_MEMBER(should_create_service_worker)
@@ skipping 466 matching lines @@
 // Sent when the renderer starts loading the page. |to_different_document| will
 // be true unless the load is a fragment navigation, or triggered by
 // history.pushState/replaceState.
 IPC_MESSAGE_ROUTED1(FrameHostMsg_DidStartLoading,
                     bool /* to_different_document */)
 
 // Sent when the renderer is done loading a page.
 IPC_MESSAGE_ROUTED0(FrameHostMsg_DidStopLoading)
 
 // Notifies the browser that this frame has new session history information.
-IPC_MESSAGE_ROUTED1(FrameHostMsg_UpdateState, content::PageState /* state */)
+IPC_MESSAGE_ROUTED1(FrameHostMsg_UpdateState,
+                    content::ExplodedFrameState /* state */)
 
 // Sent when the frame changes its window.name.
 IPC_MESSAGE_ROUTED1(FrameHostMsg_DidChangeName, std::string /* name */)
 
 // Sent when the renderer changed the progress of a load.
 IPC_MESSAGE_ROUTED1(FrameHostMsg_DidChangeLoadProgress,
                     double /* load_progress */)
 
 // Requests that the given URL be opened in the specified manner.
 IPC_MESSAGE_ROUTED1(FrameHostMsg_OpenURL, FrameHostMsg_OpenURL_Params)
@@ skipping 442 matching lines @@
 IPC_MESSAGE_ROUTED1(FrameHostMsg_ShowPopup,
                     FrameHostMsg_ShowPopup_Params)
 IPC_MESSAGE_ROUTED0(FrameHostMsg_HidePopup)
 
 #endif
 
 // Adding a new message? Stick to the sort order above: first platform
 // independent FrameMsg, then ifdefs for platform specific FrameMsg, then
 // platform independent FrameHostMsg, then ifdefs for platform specific
 // FrameHostMsg.