Add a new pair of IPC categories for messages that need handling as input events

content/renderer/render_widget.cc

Index: content/renderer/render_widget.cc
diff --git a/content/renderer/render_widget.cc b/content/renderer/render_widget.cc
index 4f8d4d5ed585af67e99fd038acc183d698c08d05..00a89eaddb665ea41020e132da17a6b736ec550c 100644
--- a/content/renderer/render_widget.cc
+++ b/content/renderer/render_widget.cc
@@ -21,6 +21,7 @@
 #include "cc/trees/layer_tree_host.h"
 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
 #include "content/common/swapped_out_messages.h"
+#include "content/common/view_input_messages.h"
 #include "content/common/view_messages.h"
 #include "content/public/common/content_switches.h"
 #include "content/renderer/gpu/compositor_output_surface.h"
@@ -304,9 +305,9 @@ bool RenderWidget::OnMessageReceived(const IPC::Message& message) {
     IPC_MESSAGE_HANDLER(ViewMsg_UpdateRect_ACK, OnUpdateRectAck)
     IPC_MESSAGE_HANDLER(ViewMsg_SwapBuffers_ACK,
                         OnViewContextSwapBuffersComplete)
-    IPC_MESSAGE_HANDLER(ViewMsg_HandleInputEvent, OnHandleInputEvent)
-    IPC_MESSAGE_HANDLER(ViewMsg_MouseCaptureLost, OnMouseCaptureLost)
-    IPC_MESSAGE_HANDLER(ViewMsg_SetFocus, OnSetFocus)
+    IPC_MESSAGE_HANDLER(ViewInputMsg_HandleInputEvent, OnHandleInputEvent)
+    IPC_MESSAGE_HANDLER(ViewInputMsg_MouseCaptureLost, OnMouseCaptureLost)
+    IPC_MESSAGE_HANDLER(ViewInputMsg_SetFocus, OnSetFocus)
     IPC_MESSAGE_HANDLER(ViewMsg_SetInputMethodActive, OnSetInputMethodActive)
     IPC_MESSAGE_HANDLER(ViewMsg_ImeSetComposition, OnImeSetComposition)
     IPC_MESSAGE_HANDLER(ViewMsg_ImeConfirmComposition, OnImeConfirmComposition)
@@ -747,8 +748,8 @@ void RenderWidget::OnHandleInputEvent(const WebKit::WebInputEvent* input_event,
   }
 
   IPC::Message* response =
-      new ViewHostMsg_HandleInputEvent_ACK(routing_id_, input_event->type,
-                                           ack_result);
+      new ViewInputHostMsg_HandleInputEvent_ACK(routing_id_, input_event->type,
+                                                ack_result);
   bool event_type_gets_rate_limited =
       input_event->type == WebInputEvent::MouseMove ||
       input_event->type == WebInputEvent::MouseWheel ||