Add a flag to enable Translate Compact Infobar on Android.

chrome/browser/about_flags.cc

 // 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.
 
 #include "chrome/browser/about_flags.h"
 
 #include <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 50 matching lines @@
 #include "components/security_state/core/security_state.h"
 #include "components/security_state/core/switches.h"
 #include "components/signin/core/common/signin_switches.h"
 #include "components/spellcheck/common/spellcheck_features.h"
 #include "components/spellcheck/common/spellcheck_switches.h"
 #include "components/spellcheck/spellcheck_build_features.h"
 #include "components/ssl_config/ssl_config_switches.h"
 #include "components/strings/grit/components_strings.h"
 #include "components/sync/driver/sync_driver_switches.h"
 #include "components/tracing/common/tracing_switches.h"
+#include "components/translate/core/browser/translate_infobar_delegate.h"
 #include "components/translate/core/browser/translate_manager.h"
 #include "components/translate/core/browser/translate_prefs.h"
 #include "components/version_info/version_info.h"
 #include "content/public/common/content_features.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/feature_h264_with_openh264_ffmpeg.h"
 #include "content/public/common/features.h"
 #include "device/base/features.h"
 #include "device/vr/features/features.h"
 #include "extensions/features/features.h"
@@ skipping 1497 matching lines @@
      flag_descriptions::kHostedAppQuitNotificationName,
      flag_descriptions::kHostedAppQuitNotificationDescription, kOsMac,
      SINGLE_VALUE_TYPE(switches::kHostedAppQuitNotification)},
 #endif  // OS_MACOSX
 #if defined(OS_ANDROID)
     {"disable-pull-to-refresh-effect",
      flag_descriptions::kPullToRefreshEffectName,
      flag_descriptions::kPullToRefreshEffectDescription, kOsAndroid,
      SINGLE_DISABLE_VALUE_TYPE(switches::kDisablePullToRefreshEffect)},
 #endif  // OS_ANDROID
+#if defined(OS_ANDROID)

[gone, 2017/05/04 01:37:07]

can you just combine this OS_ANDROID block with the one above? (remove lines
1588 & 1589)

[Leo, 2017/05/05 02:27:54]

Done.

+    {"translate-compact-infobar", flag_descriptions::kTranslateCompactUIName,
+     flag_descriptions::kTranslateCompactUIDescription, kOsAndroid,
+     FEATURE_VALUE_TYPE(translate::kTranslateCompactUI)},
+#endif  // OS_ANDROID
 #if defined(OS_MACOSX)
     {"enable-translate-new-ux", flag_descriptions::kTranslateNewUxName,
      flag_descriptions::kTranslateNewUxDescription, kOsMac,
      ENABLE_DISABLE_VALUE_TYPE(switches::kEnableTranslateNewUX,
                                switches::kDisableTranslateNewUX)},
 #endif  // OS_MACOSX
 #if defined(OS_LINUX) || defined(OS_WIN) || defined(OS_CHROMEOS)
     {"translate-2016q2-ui", flag_descriptions::kTranslate2016q2UiName,
      flag_descriptions::kTranslate2016q2UiDescription,
      kOsCrOS | kOsWin | kOsLinux,
@@ skipping 1379 matching lines @@
 const base::HistogramBase::Sample kBadSwitchFormatHistogramId = 0;
 
 const FeatureEntry* GetFeatureEntries(size_t* count) {
   *count = arraysize(kFeatureEntries);
   return kFeatureEntries;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags