Move tracing component to src/components

content/components/tracing/tracing_messages.h

Index: content/components/tracing/tracing_messages.h
diff --git a/content/components/tracing/tracing_messages.h b/content/components/tracing/tracing_messages.h
deleted file mode 100644
index 792c476919e4eb8cba17fdbb49b4dba8ee262e11..0000000000000000000000000000000000000000
--- a/content/components/tracing/tracing_messages.h
+++ /dev/null
@@ -1,56 +0,0 @@
-// Copyright (c) 2012 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.
-
-// Multiply-included message header, no traditional include guard.
-#include <string>
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/sync_socket.h"
-#include "ipc/ipc_channel_handle.h"
-#include "ipc/ipc_message_macros.h"
-#include "ipc/ipc_message_utils.h"
-#include "ipc/ipc_platform_file.h"
-
-#define IPC_MESSAGE_START TracingMsgStart
-
-// Sent to all child processes to enable trace event recording.
-IPC_MESSAGE_CONTROL3(TracingMsg_BeginTracing,
-                     std::vector<std::string> /* included_categories */,
-                     std::vector<std::string> /* excluded_categories */,
-                     base::TimeTicks /* browser_time */)
-
-// Sent to all child processes to disable trace event recording.
-IPC_MESSAGE_CONTROL0(TracingMsg_EndTracing)
-
-// Sent to all child processes to get trace buffer fullness.
-IPC_MESSAGE_CONTROL0(TracingMsg_GetTraceBufferPercentFull)
-
-// Sent to all child processes to set watch event.
-IPC_MESSAGE_CONTROL2(TracingMsg_SetWatchEvent,
-                     std::string /* category_name */,
-                     std::string /* event_name */)
-
-// Sent to all child processes to clear watch event.
-IPC_MESSAGE_CONTROL0(TracingMsg_CancelWatchEvent)
-
-// Notify the browser that this child process supports tracing.
-IPC_MESSAGE_CONTROL0(TracingHostMsg_ChildSupportsTracing)
-
-// Reply from child processes acking ChildProcessMsg_TraceChangeStatus(false).
-IPC_MESSAGE_CONTROL1(TracingHostMsg_EndTracingAck,
-                     std::vector<std::string> /* known_categories */)
-
-// Sent if the trace buffer becomes full.
-IPC_MESSAGE_CONTROL1(TracingHostMsg_TraceNotification,
-                     int /* base::debug::TraceLog::Notification */)
-
-// Child processes send trace data back in JSON chunks.
-IPC_MESSAGE_CONTROL1(TracingHostMsg_TraceDataCollected,
-                     std::string /*json trace data*/)
-
-// Reply to TracingMsg_GetTraceBufferPercentFull.
-IPC_MESSAGE_CONTROL1(TracingHostMsg_TraceBufferPercentFullReply,
-                     float /*trace buffer percent full*/)
-