Add InputEvent and EventPacket types for batched input delivery

content/common/input_messages.h

Index: content/common/input_messages.h
diff --git a/content/common/input_messages.h b/content/common/input_messages.h
index 2a7020ebf75f7c2ea9c910d64b9bdb75c63c6388..5e6dd255bcb732684a1be79c11f49b0ad9bc8554 100644
--- a/content/common/input_messages.h
+++ b/content/common/input_messages.h
@@ -10,6 +10,11 @@
 #include "content/common/content_export.h"
 #include "content/common/content_param_traits.h"
 #include "content/common/edit_command.h"
+#include "content/common/input/input_event.h"
+#include "content/common/input/input_event_disposition.h"
+#include "content/common/input/input_param_traits.h"
+#include "content/common/input/ipc_input_event_payload.h"
+#include "content/common/input/event_packet.h"
 #include "content/port/common/input_event_ack_state.h"
 #include "content/public/common/common_param_traits.h"
 #include "ipc/ipc_message_macros.h"
@@ -27,19 +32,33 @@
 
 #define IPC_MESSAGE_START InputMsgStart
 
-IPC_ENUM_TRAITS(content::InputEventAckState)
+IPC_ENUM_TRAITS_MAX_VALUE(content::InputEvent::Payload::Type,
+                          content::InputEvent::Payload::PAYLOAD_TYPE_MAX)
+IPC_ENUM_TRAITS_MAX_VALUE(content::InputEventAckState,
+                          content::INPUT_EVENT_ACK_STATE_MAX)
+IPC_ENUM_TRAITS_MAX_VALUE(content::InputEventDisposition,
+                          content::INPUT_EVENT_DISPOSITION_MAX)
 
 IPC_STRUCT_TRAITS_BEGIN(content::EditCommand)
   IPC_STRUCT_TRAITS_MEMBER(name)
   IPC_STRUCT_TRAITS_MEMBER(value)
 IPC_STRUCT_TRAITS_END()
 
+IPC_STRUCT_TRAITS_BEGIN(content::IPCInputEventPayload)
+  IPC_STRUCT_TRAITS_MEMBER(message)
+IPC_STRUCT_TRAITS_END()
+
 // Sends an input event to the render widget.
 IPC_MESSAGE_ROUTED3(InputMsg_HandleInputEvent,
                     IPC::WebInputEventPointer /* event */,
                     ui::LatencyInfo /* latency_info */,
                     bool /* is_keyboard_shortcut */)
 
+// Sends an event packet to the render widget.
+IPC_MESSAGE_ROUTED2(InputMsg_HandleEventPacket,
+                    content::EventPacket /* event_packet */,
+                    content::InputEventDispositions /* dispositions */)
+
 // Sends the cursor visibility state to the render widget.
 IPC_MESSAGE_ROUTED1(InputMsg_CursorVisibilityChange,
                     bool /* is_visible */)
@@ -131,6 +150,10 @@ IPC_MESSAGE_ROUTED3(InputHostMsg_HandleInputEvent_ACK,
                     content::InputEventAckState /* ack_result */,
                     ui::LatencyInfo /* latency_info */)
 
+IPC_MESSAGE_ROUTED2(InputHostMsg_HandleEventPacket_ACK,
+                    int64 /* event_packet_id */,
+                    content::InputEventDispositions /* dispositions */)
+
 
 // Adding a new message? Stick to the sort order above: first platform
 // independent InputMsg, then ifdefs for platform specific InputMsg, then