Allow out-of-process iframes to render to compositing surfaces.

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/resource_request_body.h"
 #include "content/public/common/color_suggestion.h"
 #include "content/public/common/common_param_traits.h"
@@ skipping 382 matching lines @@
 
 // Notifies the embedding frame that a new CompositorFrame is ready to be
 // presented. When the frame finishes presenting, a matching
 // FrameHostMsg_CompositorFrameSwappedACK should be sent back to the
 // RenderViewHost that was produced the CompositorFrame.
 //
 // This is used in the ubercomp compositing path.
 IPC_MESSAGE_ROUTED1(FrameMsg_CompositorFrameSwapped,
                     FrameMsg_CompositorFrameSwapped_Params /* params */)
 
+IPC_MESSAGE_ROUTED4(FrameMsg_SetChildFrameSurface,
+                    cc::SurfaceId /* surface_id */,
+                    gfx::Size /* frame_size */,
+                    float /* scale_factor */,
+                    cc::SurfaceSequence /* sequence */)
+
 // Notifies the embedding frame that the process rendering the child frame's
 // contents has terminated.
 IPC_MESSAGE_ROUTED0(FrameMsg_ChildFrameProcessGone)
 
 // Sent in response to a FrameHostMsg_ContextMenu to let the renderer know that
 // the menu has been closed.
 IPC_MESSAGE_ROUTED1(FrameMsg_ContextMenuClosed,
                     content::CustomContextMenuContext /* custom_context */)
 
 // Executes custom context menu action that was provided from Blink.
@@ skipping 408 matching lines @@
                             std::string /* mime_type */,
                             IPC::ChannelHandle /* channel_handle */,
                             content::WebPluginInfo /* info */)
 
 // Acknowledge that we presented an ubercomp frame.
 //
 // See FrameMsg_CompositorFrameSwapped
 IPC_MESSAGE_ROUTED1(FrameHostMsg_CompositorFrameSwappedACK,
                     FrameHostMsg_CompositorFrameSwappedACK_Params /* params */)
 
+// TODO
+IPC_MESSAGE_ROUTED1(FrameHostMsg_SatisfySequence,
+                    cc::SurfaceSequence /* sequence */)
+
+// TODO
+IPC_MESSAGE_ROUTED2(FrameHostMsg_RequireSequence,
+                    cc::SurfaceId /* surface_id */,
+                    cc::SurfaceSequence /* sequence */)
+
 // Provides the result from handling BeforeUnload.  |proceed| matches the return
 // value of the frame's beforeunload handler: true if the user decided to
 // proceed with leaving the page.
 IPC_MESSAGE_ROUTED3(FrameHostMsg_BeforeUnload_ACK,
                     bool /* proceed */,
                     base::TimeTicks /* before_unload_start_time */,
                     base::TimeTicks /* before_unload_end_time */)
 
 // Indicates that the current frame has swapped out, after a SwapOut message.
 IPC_MESSAGE_ROUTED0(FrameHostMsg_SwapOut_ACK)
@@ skipping 111 matching lines @@
                     FrameMsg_PostMessage_Params)
 
 #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