Pass along the referrer policy (renderer side)

content/common/view_messages.h

 // Copyright (c) 2011 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 "content/common/content_export.h"
 #include "content/common/css_colors.h"
 #include "content/common/edit_command.h"
 #include "content/common/navigation_gesture.h"
 #include "content/common/view_message_enums.h"
 #include "content/public/common/common_param_traits.h"
 #include "content/public/common/file_chooser_params.h"
 #include "content/public/common/frame_navigate_params.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/webkit_param_traits.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/base/media_log_event.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCompositionUnderline.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFindOptions.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebMediaPlayerAction.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPopupType.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebReferrerPolicy.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebScreenInfo.h"
 #include "ui/base/ime/text_input_type.h"
 #include "ui/base/range/range.h"
 #include "ui/gfx/rect.h"
 #include "webkit/glue/context_menu.h"
 #include "webkit/glue/webcookie.h"
 #include "webkit/glue/webmenuitem.h"
 #include "webkit/glue/webpreferences.h"
 #include "webkit/glue/webaccessibility.h"
 #include "webkit/plugins/npapi/webplugin.h"
 
 #if defined(OS_MACOSX)
 #include "content/common/mac/font_descriptor.h"
 #endif
 
 #undef IPC_MESSAGE_EXPORT
 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
 
 #define IPC_MESSAGE_START ViewMsgStart
 
 IPC_ENUM_TRAITS(CSSColors::CSSColorName)
 IPC_ENUM_TRAITS(NavigationGesture)
 IPC_ENUM_TRAITS(ViewHostMsg_AccEvent::Value)
 IPC_ENUM_TRAITS(ViewMsg_Navigate_Type::Value)
 IPC_ENUM_TRAITS(WebKit::WebContextMenuData::MediaType)
 IPC_ENUM_TRAITS(WebKit::WebMediaPlayerAction::Type)
 IPC_ENUM_TRAITS(WebKit::WebPopupType)
+IPC_ENUM_TRAITS(WebKit::WebReferrerPolicy)
 IPC_ENUM_TRAITS(WebKit::WebTextDirection)
 IPC_ENUM_TRAITS(WebMenuItem::Type)
 IPC_ENUM_TRAITS(WindowContainerType)
 IPC_ENUM_TRAITS(content::FileChooserParams::Mode)
 IPC_ENUM_TRAITS(content::PageZoom)
 IPC_ENUM_TRAITS(content::RendererPreferencesHintingEnum)
 IPC_ENUM_TRAITS(content::RendererPreferencesSubpixelRenderingEnum)
 IPC_ENUM_TRAITS(content::StopFindAction)
 IPC_ENUM_TRAITS(media::MediaLogEvent::Type)
 IPC_ENUM_TRAITS(ui::TextInputType)
@@ skipping 183 matching lines @@
   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(password_form)
   IPC_STRUCT_TRAITS_MEMBER(contents_mime_type)
   IPC_STRUCT_TRAITS_MEMBER(socket_address)
 IPC_STRUCT_TRAITS_END()
 
+IPC_STRUCT_TRAITS_BEGIN(content::Referrer)
+  IPC_STRUCT_TRAITS_MEMBER(url)
+  IPC_STRUCT_TRAITS_MEMBER(policy)
+IPC_STRUCT_TRAITS_END()
+
 IPC_STRUCT_TRAITS_BEGIN(content::RendererPreferences)
   IPC_STRUCT_TRAITS_MEMBER(can_accept_load_drops)
   IPC_STRUCT_TRAITS_MEMBER(should_antialias_text)
   IPC_STRUCT_TRAITS_MEMBER(hinting)
   IPC_STRUCT_TRAITS_MEMBER(subpixel_rendering)
   IPC_STRUCT_TRAITS_MEMBER(focus_ring_color)
   IPC_STRUCT_TRAITS_MEMBER(thumb_active_color)
   IPC_STRUCT_TRAITS_MEMBER(thumb_inactive_color)
   IPC_STRUCT_TRAITS_MEMBER(track_color)
   IPC_STRUCT_TRAITS_MEMBER(active_selection_bg_color)
@@ skipping 294 matching lines @@
   // Informs the RenderView of where its current page contents reside in
   // session history and the total size of the session history list.
   IPC_STRUCT_MEMBER(int, current_history_list_offset)
   IPC_STRUCT_MEMBER(int, current_history_list_length)
 
   // The URL to load.
   IPC_STRUCT_MEMBER(GURL, url)
 
   // The URL to send in the "Referer" header field. Can be empty if there is
   // no referrer.
-  // TODO: consider folding this into extra_headers.
-  IPC_STRUCT_MEMBER(GURL, 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)
 
   // Type of navigation.
   IPC_STRUCT_MEMBER(ViewMsg_Navigate_Type::Value, navigation_type)
 
@@ skipping 986 matching lines @@
                            string16     /* in - alert message */,
                            string16     /* in - default prompt */,
                            GURL         /* in - originating page URL */,
                            int          /* in - dialog flags */,
                            bool         /* out - success */,
                            string16     /* out - user_input field */)
 
 // Requests that the given URL be opened in the specified manner.
 IPC_MESSAGE_ROUTED4(ViewHostMsg_OpenURL,
                     GURL /* url */,
-                    GURL /* referrer */,
+                    content::Referrer /* referrer */,
                     WindowOpenDisposition /* disposition */,
                     int64 /* frame id */)
 
 // Notifies that the preferred size of the content changed.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_DidContentsPreferredSizeChange,
                     gfx::Size /* pref_size */)
 
 // Notifies that the scrollbars-visible state of the content changed.
 IPC_MESSAGE_ROUTED2(ViewHostMsg_DidChangeScrollOffsetPinningForMainFrame,
                     bool /* has_horizontal_scrollbar */,
@@ skipping 347 matching lines @@
                      media::MediaLogEvent /* event */)
 
 // Requests to lock the mouse. Will result in a ViewMsg_LockMouse_ACK message
 // being sent back.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_LockMouse)
 
 // Requests to unlock the mouse. A ViewMsg_MouseLockLost message will be sent
 // whenever the mouse is unlocked (which may or may not be caused by
 // ViewHostMsg_UnlockMouse).
 IPC_MESSAGE_ROUTED0(ViewHostMsg_UnlockMouse)