Make chrome_shell_apk build

chrome/chrome_android.gypi

 # 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.
 {
   'variables': {
     'chromium_code': 1,
     'conditions': [
       ['component != "shared_library" and target_arch != "arm64" and target_arch != "x64" and profiling_full_stack_frames != 1', {
         # Only enable the chromium linker on regular builds, since the
         # component build crashes on Android 4.4. See b/11379966
         'use_chromium_linker': '1',
       }],
     ],
   },
   'includes': [
     'chrome_android_paks.gypi', # Included for the list of pak resources.
     'chrome_shell.gypi', # Built atop chrome_android_core (defined here)
   ],
   'targets': [
     {
+      # GN: //chrome:chrome_android_core
       'target_name': 'chrome_android_core',
       'type': 'static_library',
       'dependencies': [
         'chrome.gyp:browser',
         'chrome.gyp:browser_ui',
         'chrome.gyp:plugin',
         'chrome.gyp:renderer',
         'chrome.gyp:utility',
         # TODO(kkimlabs): Move this to chrome.gyp:browser when the dependent
         #                 is upstreamed.
@@ skipping 14 matching lines @@
         'app/chrome_main_delegate.h',
       ],
       'link_settings': {
         'libraries': [
           '-landroid',
           '-ljnigraphics',
         ],
       },
     },
     {
+      # GYP: //chrome/android:chrome_version_java
       'target_name': 'chrome_version_java',
       'type': 'none',
       'variables': {
         'template_input_path': 'android/java/ChromeVersionConstants.java.version',
         'version_path': 'VERSION',
         'version_py_path': '<(DEPTH)/build/util/version.py',
         'output_path': '<(SHARED_INTERMEDIATE_DIR)/templates/<(_target_name)/org/chromium/chrome/browser/ChromeVersionConstants.java',
 
         'conditions': [
           ['branding == "Chrome"', {
@@ skipping 34 matching lines @@
             '-f', '<(version_path)',
             '-f', '<(branding_path)',
             '<(template_input_path)',
             '<(output_path)',
           ],
         },
       ],
     },
   ],
 }