| Index: mojo/services/tracing/public/interfaces/tracing.mojom
 | 
| diff --git a/mojo/services/tracing/public/interfaces/tracing.mojom b/mojo/services/tracing/public/interfaces/tracing.mojom
 | 
| deleted file mode 100644
 | 
| index b624f81e24f9da19b3c352d8b9c21b2e80bb8332..0000000000000000000000000000000000000000
 | 
| --- a/mojo/services/tracing/public/interfaces/tracing.mojom
 | 
| +++ /dev/null
 | 
| @@ -1,62 +0,0 @@
 | 
| -// Copyright 2014 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.
 | 
| -
 | 
| -module tracing;
 | 
| -
 | 
| -// To participate in the tracing ecosystem, implement the TraceProvider
 | 
| -// interface and connect to the tracing app. Then, when the provider's Start()
 | 
| -// function is called collect tracing data and pass it back via the provided
 | 
| -// TraceRecorder interface up until Stop() is called.
 | 
| -
 | 
| -interface TraceProvider {
 | 
| -  // Categories can either be the empty string to mean the default set of
 | 
| -  // categories or a comma-delimited list of categories to trace.
 | 
| -  StartTracing(string categories, TraceRecorder recorder);
 | 
| -  StopTracing();
 | 
| -};
 | 
| -
 | 
| -interface TraceRecorder {
 | 
| -  Record(string json);
 | 
| -};
 | 
| -
 | 
| -interface TraceCollector {
 | 
| -  // Request tracing data from all connected providers to stream to
 | 
| -  // |stream|.
 | 
| -  Start(handle<data_pipe_producer> stream, string categories);
 | 
| -
 | 
| -  // Stop tracing and flush results to the |stream| passed in to Start().
 | 
| -  // Closes |stream| when all data is collected.
 | 
| -  StopAndFlush();
 | 
| -};
 | 
| -
 | 
| -// These times are used to determine startup performance metrics.
 | 
| -// TODO(msw): Find a way to convert *_time metrics into TimeTicks earlier (ref:
 | 
| -// https://goo.gl/vZ8dZW).
 | 
| -struct StartupPerformanceTimes {
 | 
| -  // TODO(msw): Rename to match "BrowserMainEntryTimeAbsolute" metric?
 | 
| -  int64 shell_process_creation_time;
 | 
| -  int64 shell_main_entry_point_time;
 | 
| -  int64 browser_message_loop_start_ticks;
 | 
| -  int64 browser_window_display_ticks;
 | 
| -  int64 browser_open_tabs_time_delta;
 | 
| -  // TODO(msw): Rename to avoid "web contents"?
 | 
| -  int64 first_web_contents_main_frame_load_ticks;
 | 
| -  // TODO(msw): Rename to match "FirstWebContents.NonEmptyPaint" metric?
 | 
| -  int64 first_visually_non_empty_layout_ticks;
 | 
| -};
 | 
| -
 | 
| -// This interface accepts startup performance timing from a variety of sources.
 | 
| -interface StartupPerformanceDataCollector {
 | 
| -  // These setters may be called many times, only the first time is recorded.
 | 
| -  SetShellProcessCreationTime(int64 time);
 | 
| -  SetShellMainEntryPointTime(int64 time);
 | 
| -  SetBrowserMessageLoopStartTicks(int64 ticks);
 | 
| -  SetBrowserWindowDisplayTicks(int64 ticks);
 | 
| -  SetBrowserOpenTabsTimeDelta(int64 delta);
 | 
| -  SetFirstWebContentsMainFrameLoadTicks(int64 ticks);
 | 
| -  SetFirstVisuallyNonEmptyLayoutTicks(int64 ticks);
 | 
| -
 | 
| -  // Get the currently available startup performance times.
 | 
| -  GetStartupPerformanceTimes() => (StartupPerformanceTimes times);
 | 
| -};
 | 
| 
 |