Move the rest of the content browser->renderer messages to content. Also move drag related messa...

content/common/drag_messages.h

+// Copyright (c) 2011 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 drag and drop.
+// Multiply-included message file, hence no include guard.
+
+#include "content/common/common_param_traits.h"
+#include "ipc/ipc_message_macros.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebDragOperation.h"
+#include "webkit/glue/webdropdata.h"
+
+#define IPC_MESSAGE_START DragMsgStart
+
+IPC_ENUM_TRAITS(WebKit::WebDragOperation)
+
+IPC_STRUCT_TRAITS_BEGIN(WebDropData)
+  IPC_STRUCT_TRAITS_MEMBER(url)
+  IPC_STRUCT_TRAITS_MEMBER(url_title)
+  IPC_STRUCT_TRAITS_MEMBER(download_metadata)
+  IPC_STRUCT_TRAITS_MEMBER(file_extension)
+  IPC_STRUCT_TRAITS_MEMBER(filenames)
+  IPC_STRUCT_TRAITS_MEMBER(plain_text)
+  IPC_STRUCT_TRAITS_MEMBER(text_html)
+  IPC_STRUCT_TRAITS_MEMBER(html_base_url)
+  IPC_STRUCT_TRAITS_MEMBER(file_description_filename)
+  IPC_STRUCT_TRAITS_MEMBER(file_contents)
+IPC_STRUCT_TRAITS_END()
+
+// Messages sent from the browser to the renderer.
+
+IPC_MESSAGE_ROUTED4(DragMsg_TargetDragEnter,
+                    WebDropData /* drop_data */,
+                    gfx::Point /* client_pt */,
+                    gfx::Point /* screen_pt */,
+                    WebKit::WebDragOperationsMask /* ops_allowed */)
+
+IPC_MESSAGE_ROUTED3(DragMsg_TargetDragOver,
+                    gfx::Point /* client_pt */,
+                    gfx::Point /* screen_pt */,
+                    WebKit::WebDragOperationsMask /* ops_allowed */)
+
+IPC_MESSAGE_ROUTED0(DragMsg_TargetDragLeave)
+
+IPC_MESSAGE_ROUTED2(DragMsg_TargetDrop,
+                    gfx::Point /* client_pt */,
+                    gfx::Point /* screen_pt */)
+
+// Notifies the renderer of updates in mouse position of an in-progress
+// drag.  if |ended| is true, then the user has ended the drag operation.
+IPC_MESSAGE_ROUTED4(DragMsg_SourceEndedOrMoved,
+                    gfx::Point /* client_pt */,
+                    gfx::Point /* screen_pt */,
+                    bool /* ended */,
+                    WebKit::WebDragOperation /* drag_operation */)
+
+// Notifies the renderer that the system DoDragDrop call has ended.
+IPC_MESSAGE_ROUTED0(DragMsg_SourceSystemDragEnded)
+
+// Messages sent from the renderer to the browser.
+
+// Used to tell the parent the user started dragging in the content area. The
+// WebDropData struct contains contextual information about the pieces of the
+// page the user dragged. The parent uses this notification to initiate a
+// drag session at the OS level.
+IPC_MESSAGE_ROUTED4(DragHostMsg_StartDragging,
+                    WebDropData /* drop_data */,
+                    WebKit::WebDragOperationsMask /* ops_allowed */,
+                    SkBitmap /* image */,
+                    gfx::Point /* image_offset */)
+
+// The page wants to update the mouse cursor during a drag & drop operation.
+// |is_drop_target| is true if the mouse is over a valid drop target.
+IPC_MESSAGE_ROUTED1(DragHostMsg_UpdateDragCursor,
+                    WebKit::WebDragOperation /* drag_operation */)