Add developer tools message handling to renderer

chrome/renderer/dev_tools_messages_internal.h

+// Copyright (c) 2009 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.
+
+// Developer tools consist of the following parts:
+//
+// DevToolsAgent lives in the renderer of an inspected page and provides access
+// to the pages resources, DOM, v8 etc. by means of IPC messages.
+//
+// DevToolsClient is a thin delegate that lives in the tools front-end renderer
+// and converts IPC messages to frontend method calls and allows the frontend
+// to send messages to the DevToolsAgent.
+//
+// All the messages are routed through browser process.
+//
+// Chain of communication between the components may be described by the
+// following diagram:
+//  ----------------------------
+// | (tools frontend            |
+// | renderer process)          |
+// |                            |            --------------------
+// |tools    <--> DevToolsClient+<-- IPC -->+ (browser process)  |
+// |frontend                    |           |                    |
+//  ----------------------------             ---------+----------
+//                                                    ^
+//                                                    |
+//                                                   IPC
+//                                                    |
+//                                                    v
+//                          --------------------------+--------
+//                         | inspected page <--> DevToolsAgent |
+//                         |                                   |
+//                         | (inspected page renderer process) |
+//                          -----------------------------------
+//
+// This file describes developer tools message types.
+
+#include "chrome/common/ipc_message_macros.h"
+
+// These are messages sent from DevToolsAgent to DevToolsClient through the
+// browser.
+IPC_BEGIN_MESSAGES(DevToolsClient)
+
+  // Response message for DevToolsAgentMsg_DebugAttach.
+  IPC_MESSAGE_CONTROL0(DevToolsClientMsg_DidDebugAttach)
+
+  // WebKit and JavaScript error messages to log to the console
+  // or debugger UI.
+  IPC_MESSAGE_CONTROL1(DevToolsClientMsg_DebuggerOutput,
+                       std::wstring /* msg */)
+
+IPC_END_MESSAGES(DevToolsClient)
+
+
+//-----------------------------------------------------------------------------
+// These are messages sent from DevToolsClient to DevToolsAgent through the
+// browser.
+IPC_BEGIN_MESSAGES(DevToolsAgent)
+
+  // Initialize the V8 debugger in the renderer.
+  IPC_MESSAGE_CONTROL0(DevToolsAgentMsg_DebugAttach)
+
+  // Shutdown the V8 debugger in the renderer.
+  IPC_MESSAGE_CONTROL0(DevToolsAgentMsg_DebugDetach)
+
+  // Break V8 execution.
+  IPC_MESSAGE_CONTROL1(DevToolsAgentMsg_DebugBreak,
+                       bool  /* force */)
+
+  // Send a command to the V8 debugger.
+  IPC_MESSAGE_CONTROL1(DevToolsAgentMsg_DebugCommand,
+                       std::wstring  /* cmd */)
+
+IPC_END_MESSAGES(DevToolsAgent)
+