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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/headless/headless_mode_metrics.h"
#include "base/command_line.h"
#include "base/metrics/histogram_functions.h"
#include "chrome/browser/headless/headless_mode_util.h"
#include "components/headless/command_handler/headless_command_switches.h"
#include "content/public/common/content_switches.h"
namespace headless {
namespace {
// This enum is used in UMA histograms, so do not remove or renumber entries.
// If you're adding entries to this enum, update the ChromeHeadlessAction enum
// in tools/metrics/histograms/enums.xml
enum class HeadlessChromeAction {
kNone = 0,
kRemoteDebuggingPipe = 1,
kRemoteDebuggingPort = 2,
kDumpDom = 3,
kScreenshot = 4,
kPrintToPDF = 5,
kMaxValue = kPrintToPDF
};
HeadlessChromeAction GetHeadlessChromeAction() {
static struct {
const char* command_line_switch;
HeadlessChromeAction action;
} kSwitchActions[] = {
{::switches::kRemoteDebuggingPipe,
HeadlessChromeAction::kRemoteDebuggingPipe},
{::switches::kRemoteDebuggingPort,
HeadlessChromeAction::kRemoteDebuggingPort},
{switches::kDumpDom, HeadlessChromeAction::kDumpDom},
{switches::kScreenshot, HeadlessChromeAction::kScreenshot},
{switches::kPrintToPDF, HeadlessChromeAction::kPrintToPDF},
};
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
for (const auto& switch_action : kSwitchActions) {
if (command_line.HasSwitch(switch_action.command_line_switch)) {
return switch_action.action;
}
}
return HeadlessChromeAction::kNone;
}
} // namespace
void ReportHeadlessActionMetrics() {
DCHECK(IsHeadlessMode());
HeadlessChromeAction action = GetHeadlessChromeAction();
base::UmaHistogramEnumeration("Chrome.Headless.Action", action);
}
} // namespace headless
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