OOPIFs: Transitioning MHTML generation from view-oriented to frame-oriented.

content/common/view_messages.h

Index: content/common/view_messages.h
diff --git a/content/common/view_messages.h b/content/common/view_messages.h
index e1375a5ac85336ec36e5bc2d21e6d7c6a84c2d81..72f86233eedd7e5bb4b50eda1e9acfe07fbeecb3 100644
--- a/content/common/view_messages.h
+++ b/content/common/view_messages.h
@@ -35,7 +35,6 @@
 #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"
 #include "media/base/channel_layout.h"
 #include "media/base/media_log_event.h"
@@ -881,11 +880,6 @@ IPC_MESSAGE_CONTROL1(ViewMsg_PurgePluginListCache,
 // Used to instruct the RenderView to go into "view source" mode.
 IPC_MESSAGE_ROUTED0(ViewMsg_EnableViewSourceMode)
 
-// Instructs the renderer to save the current page to MHTML.
-IPC_MESSAGE_ROUTED2(ViewMsg_SavePageAsMHTML,
-                    int /* job_id */,
-                    IPC::PlatformFileForTransit /* file handle */)
-
 // An acknowledge to ViewHostMsg_MultipleTargetsTouched to notify the renderer
 // process to release the magnified image.
 IPC_MESSAGE_ROUTED1(ViewMsg_ReleaseDisambiguationPopupBitmap,
@@ -1290,11 +1284,6 @@ IPC_MESSAGE_ROUTED3(
 IPC_MESSAGE_CONTROL1(ViewHostMsg_UserMetricsRecordAction,
                      std::string /* action */)
 
-// Notifies the browser that the page was or was not saved as MHTML.
-IPC_MESSAGE_CONTROL2(ViewHostMsg_SavedPageAsMHTML,
-                     int /* job_id */,
-                     int64 /* size of the MHTML file, -1 if error */)
-
 // Notifies the browser of an event occurring in the media pipeline.
 IPC_MESSAGE_CONTROL1(ViewHostMsg_MediaLogEvents,
                      std::vector<media::MediaLogEvent> /* events */)