GN: Remove irrelevant targets for Cast Android build

BUILD.gn

 # Copyright (c) 2013 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.
 
 # This is the root build file for GN. GN will start processing by loading this
 # file, and recursively load all dependencies until all dependencies are either
 # resolved or known not to exist (which will cause the build to fail). So if
 # you add a new build file, there must be some path of dependencies from this
 # file to your new one or GN won't know about it.
 
@@ skipping 200 matching lines @@
 
   if (is_win) {
     deps += [ "//chrome/tools/build/win/syzygy:chrome_dll_syzygy" ]
   }
 
   if (is_android) {
     deps += [
       "//base/android/linker:chromium_android_linker",
       "//build/android/gyp/test:hello_world",
       "//build/android/rezip",
-      "//chrome/android:chrome_public_apk",
-      "//chrome/android:chrome_public_test_apk",
-      "//chrome/test/chromedriver/test/webview_shell:chromedriver_webview_shell_apk",
       "//third_party/errorprone:chromium_errorprone",
       "//tools/android:android_tools",
       "//tools/imagediff($host_toolchain)",
 
       # TODO(GYP): Remove these when the components_unittests work.
       "//components/history/core/test:test",
       "//components/policy:policy_component_test_support",
       "//components/policy:test_support",
       "//components/rappor:test_support",
       "//components/signin/core/browser:test_support",
@@ skipping 65 matching lines @@
       "//ppapi/examples/video_effects",
       "//ppapi/examples/video_encode",
       "//third_party/pdfium/samples:pdfium_test",
       "//tools/gn",
       "//tools/gn:generate_test_gn_data",
       "//tools/gn:gn_unittests",
       "//ui/app_list:app_list_unittests",
       "//url:url_unittests",
     ]
 
+    if (!is_chromecast) {
+      deps += [
+        "//chrome/android:chrome_public_apk",
+        "//chrome/android:chrome_public_test_apk",
+        "//chrome/test/chromedriver/test/webview_shell:chromedriver_webview_shell_apk",
+      ]
+    }
+
     if (has_chrome_android_internal) {
       deps += [ "//clank" ]  # TODO(GYP) ??
     }
   }
 
   if (is_linux) {  # TODO(GYP): || is_android || is_bsd?
     deps += [
       "//breakpad:core-2-minidump",
       "//breakpad:minidump-2-core",
     ]
@@ skipping 659 matching lines @@
       if (target_cpu == "x86") {
         deps += [
           # "//content/shell:crash_service_win64", TODO(GYP): crbug.com/537009
         ]
       }
     } else {
       deps += [ "//breakpad:minidump_stackwalk" ]
     }
   }
 }