Add a flag to enable Translate Compact Infobar on Android.

chrome/browser/flag_descriptions.cc

 // Copyright 2017 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/flag_descriptions.h"
 
 namespace flag_descriptions {
 
 //  Material Design version of chrome://bookmarks
 
@@ skipping 1329 matching lines @@
     "Display a notification when quitting Chrome if hosted apps are "
     "currently running.";
 
 #if defined(OS_ANDROID)
 
 const char kPullToRefreshEffectName[] = "The pull-to-refresh effect";
 
 const char kPullToRefreshEffectDescription[] =
     "Page reloads triggered by vertically overscrolling content.";
 
+const char kTranslateCompactUIName[] = "New Translate Infobar";
+
+const char kTranslateCompactUIDescription[] =
+    "Enable the new Translate compact infobar UI.";
+
 #endif  // defined(OS_ANDROID)
 
 #if defined(OS_MACOSX)
 
 const char kTranslateNewUxName[] = "New Translate UX";
 
 const char kTranslateNewUxDescription[] =
     "Enable the new Translate bubble UX is offered instead of the infobar.";
 
 #endif  // defined(OS_MACOSX)
@@ skipping 1730 matching lines @@
 
 const char kEnableHeapProfilingDescription[] = "Enables heap profiling.";
 
 const char kEnableHeapProfilingModePseudo[] = "Enabled (pseudo mode)";
 
 const char kEnableHeapProfilingModeNative[] = "Enabled (native mode)";
 
 const char kEnableHeapProfilingTaskProfiler[] = "Enabled (task mode)";
 
 }  // namespace flag_descriptions