GuestView: Decouple extension IPCs from soon-to-be component IPCs

In the feature, GuestViewMessageFilter will move to components and ExtensionsGuestViewMessageFilter will stay in the extensions module.

BUG=444869
TBR=rockot@chromium.org for non-guestview extensions, kenrb@chromium.org for _messages.h These are all just mechanical refactors.

Review URL: https://codereview.chromium.org/1092853002

Cr-Commit-Position: refs/heads/master@{#326082}

2 files changed, 47 insertions, 31 deletions

diff --git a/extensions/common/guest_view/extensions_guest_view_messages.h b/extensions/common/guest_view/extensions_guest_view_messages.h
new file mode 100644
index 0000000..61da7fc
--- /dev/null
+++ b/extensions/common/guest_view/extensions_guest_view_messages.h
@@ -0,0 +1,47 @@
+// Copyright 2015 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 extensions GuestViews.
+// Multiply-included message file, hence no include guard.
+
+#include <string>
+
+#include "ipc/ipc_message_macros.h"
+#include "ui/gfx/geometry/size.h"
+#include "ui/gfx/ipc/gfx_param_traits.h"
+
+#define IPC_MESSAGE_START ExtensionsGuestViewMsgStart
+// Messages sent from the browser to the renderer.
+
+// The ACK for GuestViewHostMsg_CreateMimeHandlerViewGuest.
+IPC_MESSAGE_CONTROL1(ExtensionsGuestViewMsg_CreateMimeHandlerViewGuestACK,
+                     int /* element_instance_id */)
+
+// Once a MimeHandlerView guest's JavaScript onload function has been called,
+// this IPC is sent to the container to notify it.
+IPC_MESSAGE_CONTROL1(ExtensionsGuestViewMsg_MimeHandlerViewGuestOnLoadCompleted,
+                     int /* element_instance_id */)
+
+// Messages sent from the renderer to the browser.
+
+// Queries whether the RenderView of the provided |routing_id| is allowed to
+// inject the script with the provided |script_id|.
+IPC_SYNC_MESSAGE_CONTROL2_1(
+    ExtensionsGuestViewHostMsg_CanExecuteContentScriptSync,
+    int /* routing_id */,
+    int /* script_id */,
+    bool /* allowed */)
+
+// Tells the browser to create a mime handler guest view for a plugin.
+IPC_MESSAGE_CONTROL4(ExtensionsGuestViewHostMsg_CreateMimeHandlerViewGuest,
+                     int /* render_frame_id */,
+                     std::string /* view_id */,
+                     int /* element_instance_id */,
+                     gfx::Size /* element_size */)
+
+// A renderer sends this message when it wants to resize a guest.
+IPC_MESSAGE_CONTROL3(ExtensionsGuestViewHostMsg_ResizeGuest,
+                     int /* routing_id */,
+                     int /* element_instance_id*/,
+                     gfx::Size /* new_size */)
diff --git a/extensions/common/guest_view/guest_view_messages.h b/extensions/common/guest_view/guest_view_messages.h
index b1b18ad..9772b6f 100644
--- a/extensions/common/guest_view/guest_view_messages.h
+++ b/extensions/common/guest_view/guest_view_messages.h
@@ -5,26 +5,13 @@
 // IPC messages for GuestViews.
 // Multiply-included message file, hence no include guard.
 
-#include <string>
-
 #include "base/values.h"
 #include "ipc/ipc_message_macros.h"
-#include "ui/gfx/geometry/size.h"
-#include "ui/gfx/ipc/gfx_param_traits.h"
 
 #define IPC_MESSAGE_START GuestViewMsgStart
 
 // Messages sent from the browser to the renderer.
 
-// The ACK for GuestViewHostMsg_CreateMimeHandlerViewGuest.
-IPC_MESSAGE_CONTROL1(GuestViewMsg_CreateMimeHandlerViewGuestACK,
-                     int /* element_instance_id */)
-
-// Once a MimeHandlerView guest's JavaScript onload function has been called,
-// this IPC is sent to the container to notify it.
-IPC_MESSAGE_CONTROL1(GuestViewMsg_MimeHandlerViewGuestOnLoadCompleted,
-                     int /* element_instance_id */)
-
 // Once a RenderView proxy has been created for the guest in the embedder render
 // process, this IPC informs the embedder of the proxy's routing ID.
 IPC_MESSAGE_CONTROL2(GuestViewMsg_GuestAttached,
@@ -46,21 +33,3 @@ IPC_MESSAGE_CONTROL3(GuestViewHostMsg_AttachGuest,
                      int /* element_instance_id */,
                      int /* guest_instance_id */,
                      base::DictionaryValue /* attach_params */)
-
-// Tells the browser to create a mime handler guest view for a plugin.
-IPC_MESSAGE_CONTROL4(GuestViewHostMsg_CreateMimeHandlerViewGuest,
-                     int /* render_frame_id */,
-                     std::string /* view_id */,
-                     int /* element_instance_id */,
-                     gfx::Size /* element_size */)
-
-// A renderer sends this message when it wants to resize a guest.
-IPC_MESSAGE_CONTROL3(GuestViewHostMsg_ResizeGuest,
-                     int /* routing_id */,
-                     int /* element_instance_id*/,
-                     gfx::Size /* new_size */)
-
-IPC_SYNC_MESSAGE_CONTROL2_1(GuestViewHostMsg_CanExecuteContentScriptSync,
-                            int /* routing_id */,
-                            int /* script_id */,
-                            bool /* allowed */)