Completely revert all my IPC work to see if this was what regressed the page cycler.

chrome/common/render_messages_internal.h

 // Copyright (c) 2010 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.
 
 // This header is meant to be included in multiple passes, hence no traditional
 // header guard.
 // See ipc_message_macros.h for explanation of the macros and passes.
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "build/build_config.h"
 
 #include "base/file_path.h"
 #include "base/nullable_string16.h"
 #include "base/platform_file.h"
 #include "base/sync_socket.h"
+#include "base/time.h"
+#include "base/values.h"
 #include "chrome/common/content_settings.h"
+#include "chrome/common/extensions/update_manifest.h"
 #include "chrome/common/geoposition.h"
 #include "chrome/common/nacl_types.h"
 #include "chrome/common/notification_type.h"
 #include "chrome/common/page_zoom.h"
+#include "chrome/common/thumbnail_score.h"
 #include "chrome/common/translate_errors.h"
 #include "chrome/common/window_container_type.h"
+#include "gfx/rect.h"
+#include "ipc/ipc_channel_handle.h"
+#include "ipc/ipc_message.h"
 #include "ipc/ipc_message_macros.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+#include "webkit/glue/dom_operations.h"
+#include "webkit/glue/form_field.h"
+#include "webkit/glue/webcursor.h"
 
 #if defined(OS_POSIX)
 #include "base/file_descriptor_posix.h"
 #endif
 
 #if defined(OS_MACOSX)
 #include "chrome/common/font_descriptor_mac.h"
 #endif
 
 // TODO(mpcomplete): rename ViewMsg and ViewHostMsg to something that makes
 // more sense with our current design.
 
 // IPC_MESSAGE macros choke on extra , in the std::map, when expanding. We need
 // to typedef it to avoid that.
 // Substitution map for l10n messages.
 typedef std::map<std::string, std::string> SubstitutionMap;
 
-class SkBitmap;
-struct ThumbnailScore;
-class WebCursor;
-
-namespace IPC {
-struct ChannelHandle;
-class Message;
-}
-
 //-----------------------------------------------------------------------------
 // RenderView messages
 // These are messages sent from the browser to the renderer process.
 
 IPC_BEGIN_MESSAGES(View)
   // Used typically when recovering from a crash.  The new rendering process
   // sets its global "next page id" counter to the given value.
   IPC_MESSAGE_CONTROL1(ViewMsg_SetNextPageID,
                        int32 /* next_page_id */)
 
@@ skipping 118 matching lines @@
   // by webkit, the specified edit commands shall be executed against current
   // focused frame.
   // Parameters
   // * edit_commands (see chrome/common/edit_command_types.h)
   //   Contains one or more edit commands.
   // See third_party/WebKit/WebCore/editing/EditorCommand.cpp for detailed
   // definition of webkit edit commands.
   //
   // This message must be sent just before sending a key event.
   IPC_MESSAGE_ROUTED1(ViewMsg_SetEditCommandsForNextKeyEvent,
-                      std::vector<EditCommand> /* edit_commands */)
+                      EditCommands /* edit_commands */)
 
   // Message payload is the name/value of a WebCore edit command to execute.
   IPC_MESSAGE_ROUTED2(ViewMsg_ExecuteEditCommand,
                       std::string, /* name */
                       std::string /* value */)
 
   IPC_MESSAGE_ROUTED0(ViewMsg_MouseCaptureLost)
 
   // TODO(darin): figure out how this meshes with RestoreFocus
   IPC_MESSAGE_ROUTED1(ViewMsg_SetFocus, bool /* enable */)
@@ skipping 2413 matching lines @@
 
   // A RenderView requests to start receiving device orientation updates.
   IPC_MESSAGE_CONTROL1(ViewHostMsg_DeviceOrientation_StartUpdating,
                        int /* render_view_id */)
 
   // A RenderView requests to stop receiving device orientation updates.
   IPC_MESSAGE_CONTROL1(ViewHostMsg_DeviceOrientation_StopUpdating,
                        int /* render_view_id */)
 
 IPC_END_MESSAGES(ViewHost)