Navigation transitions (web to native app): Pass data after starting provisional load (Chrome side)

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 "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/navigation_gesture.h"
 #include "content/common/navigation_params.h"
 #include "content/common/resource_request_body.h"
 #include "content/public/common/color_suggestion.h"
 #include "content/public/common/common_param_traits.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/page_state.h"
 #include "content/public/common/resource_response.h"
+#include "content/public/common/transition_element.h"
 #include "ipc/ipc_message_macros.h"
 #include "ui/gfx/ipc/gfx_param_traits.h"
 #include "url/gurl.h"
 
 #undef IPC_MESSAGE_EXPORT
 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
 
 #define IPC_MESSAGE_START FrameMsgStart
 
 IPC_ENUM_TRAITS_MIN_MAX_VALUE(AccessibilityMode,
@@ skipping 50 matching lines @@
 #endif
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(content::CustomContextMenuContext)
   IPC_STRUCT_TRAITS_MEMBER(is_pepper_menu)
   IPC_STRUCT_TRAITS_MEMBER(request_id)
   IPC_STRUCT_TRAITS_MEMBER(render_widget_id)
   IPC_STRUCT_TRAITS_MEMBER(link_followed)
 IPC_STRUCT_TRAITS_END()
 
+IPC_STRUCT_TRAITS_BEGIN(content::TransitionElement)
+  IPC_STRUCT_TRAITS_MEMBER(name)
+  IPC_STRUCT_TRAITS_MEMBER(rect)
+IPC_STRUCT_TRAITS_END()
+
+IPC_STRUCT_BEGIN(FrameHostMsg_AddNavigationTransitionData_Params)
+  IPC_STRUCT_MEMBER(int, render_frame_id)
+  IPC_STRUCT_MEMBER(std::string, allowed_destination_host_pattern)
+  IPC_STRUCT_MEMBER(std::string, selector)
+  IPC_STRUCT_MEMBER(std::string, markup)
+  IPC_STRUCT_MEMBER(std::vector<content::TransitionElement>, elements)
+IPC_STRUCT_END()
+
 IPC_STRUCT_BEGIN(FrameHostMsg_DidFailProvisionalLoadWithError_Params)
   // Error code as reported in the DidFailProvisionalLoad callback.
   IPC_STRUCT_MEMBER(int, error_code)
   // An error message generated from the error_code. This can be an empty
   // string if we were unable to find a meaningful description.
   IPC_STRUCT_MEMBER(base::string16, error_description)
   // The URL that the error is reported for.
   IPC_STRUCT_MEMBER(GURL, url)
   // True if the failure is the result of navigating to a POST again
   // and we're going to show the POST interstitial.
@@ skipping 153 matching lines @@
   IPC_STRUCT_MEMBER(int, transferred_request_request_id)
 
   // Whether or not this url should be allowed to access local file://
   // resources.
   IPC_STRUCT_MEMBER(bool, can_load_local_resources)
 
   // If not empty, which frame to navigate.
   IPC_STRUCT_MEMBER(std::string, frame_to_navigate)
 IPC_STRUCT_END()
 
-IPC_STRUCT_BEGIN(FrameHostMsg_AddNavigationTransitionData_Params)
-  IPC_STRUCT_MEMBER(int, render_frame_id)
-  IPC_STRUCT_MEMBER(std::string, allowed_destination_host_pattern)
-  IPC_STRUCT_MEMBER(std::string, selector)
-  IPC_STRUCT_MEMBER(std::string, markup)
-  IPC_STRUCT_MEMBER(std::vector<std::string>, names)
-  IPC_STRUCT_MEMBER(std::vector<gfx::Rect>, rects)
-IPC_STRUCT_END()
-
 IPC_STRUCT_BEGIN(FrameHostMsg_OpenURL_Params)
   IPC_STRUCT_MEMBER(GURL, url)
   IPC_STRUCT_MEMBER(content::Referrer, referrer)
   IPC_STRUCT_MEMBER(WindowOpenDisposition, disposition)
   IPC_STRUCT_MEMBER(bool, should_replace_current_entry)
   IPC_STRUCT_MEMBER(bool, user_gesture)
 IPC_STRUCT_END()
 
 // PlzNavigate
 IPC_STRUCT_BEGIN(FrameHostMsg_BeginNavigation_Params)
@@ skipping 481 matching lines @@
 IPC_MESSAGE_ROUTED0(FrameHostMsg_DidFirstVisuallyNonEmptyPaint)
 
 #if defined(OS_MACOSX) || defined(OS_ANDROID)
 
 // Message to show/hide a popup menu using native controls.
 IPC_MESSAGE_ROUTED1(FrameHostMsg_ShowPopup,
                     FrameHostMsg_ShowPopup_Params)
 IPC_MESSAGE_ROUTED0(FrameHostMsg_HidePopup)
 
 #endif