Remove some unused frame/view message declarations.

An inspection shows that these are no longer sent nor handled.

Change-Id: If9b60f55d4dc07bb7a0ad573acb67f7e66609a3f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1888690Reviewed-by: danakj <danakj@chromium.org>
Reviewed-by: Dave Tapuska <dtapuska@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Cr-Commit-Position: refs/heads/master@{#710826}

content/common/frame_messages.h

@@ -704,14 +704,6 @@ IPC_MESSAGE_ROUTED1(FrameMsg_VisualStateRequest, uint64_t /* id */)
 // Expects the result to be returned via FrameHostMsg_BeforeUnload_ACK.
 IPC_MESSAGE_ROUTED1(FrameMsg_BeforeUnload, bool /* is_reload */)
 
-// Instructs the frame to swap out for a cross-site transition, including
-// running the unload event handler and creating a RenderFrameProxy with the
-// given |proxy_routing_id|. Expects a SwapOut_ACK message when finished.
-IPC_MESSAGE_ROUTED3(FrameMsg_SwapOut,
-                    int /* proxy_routing_id */,
-                    bool /* is_loading */,
-                    content::FrameReplicationState /* replication_state */)
-
 // Requests that a provisional RenderFrame swap itself into the frame tree,
 // replacing the RenderFrameProxy that it is associated with.  This is used
 // with remote-to-local frame navigations when the RenderFrameProxy corresponds

content/common/view_messages.h

@@ -156,33 +156,6 @@ IPC_MESSAGE_ROUTED0(ViewMsg_MoveOrResizeStarted)
 // Used to instruct the RenderView to send back updates to the preferred size.
 IPC_MESSAGE_ROUTED0(ViewMsg_EnablePreferredSizeChangedMode)
 
-// Response message to ViewHostMsg_CreateWorker.
-// Sent when the worker has started.
-IPC_MESSAGE_ROUTED0(ViewMsg_WorkerCreated)
-
-// Sent when the worker failed to load the worker script.
-// In normal cases, this message is sent after ViewMsg_WorkerCreated is sent.
-// But if the shared worker of the same URL already exists and it has failed
-// to load the script, when the renderer send ViewHostMsg_CreateWorker before
-// the shared worker is killed only ViewMsg_WorkerScriptLoadFailed is sent.
-IPC_MESSAGE_ROUTED0(ViewMsg_WorkerScriptLoadFailed)
-
-// Sent when the worker has connected.
-// This message is sent only if the worker successfully loaded the script.
-// |used_features| is the set of features that the worker has used. The values
-// must be from blink::UseCounter::Feature enum.
-IPC_MESSAGE_ROUTED1(ViewMsg_WorkerConnected,
-                    std::set<uint32_t> /* used_features */)
-
-// Sent when the worker is destroyed.
-IPC_MESSAGE_ROUTED0(ViewMsg_WorkerDestroyed)
-
-// Sent when the worker calls API that should be recored in UseCounter.
-// |feature| must be one of the values from blink::UseCounter::Feature
-// enum.
-IPC_MESSAGE_ROUTED1(ViewMsg_CountFeatureOnSharedWorker,
-                    uint32_t /* feature */)
-
 #if BUILDFLAG(ENABLE_PLUGINS)
 // Reply to ViewHostMsg_OpenChannelToPpapiBroker
 // Tells the renderer that the channel to the broker has been created.