Don't compile code for desktop zoom or GuestViews on mobile platforms.

content/test/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/chromecast_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
@@ skipping 616 matching lines @@
     "../browser/frame_host/frame_tree_browsertest.cc",
     "../browser/frame_host/interstitial_page_impl_browsertest.cc",
     "../browser/frame_host/navigation_controller_impl_browsertest.cc",
     "../browser/frame_host/navigation_handle_impl_browsertest.cc",
     "../browser/frame_host/render_frame_host_impl_browsertest.cc",
     "../browser/frame_host/render_frame_host_manager_browsertest.cc",
     "../browser/frame_host/render_frame_message_filter_browsertest.cc",
     "../browser/frame_host/render_widget_host_view_child_frame_browsertest.cc",
     "../browser/generic_sensor_browsertest.cc",
     "../browser/gpu/gpu_ipc_browsertests.cc",
-    "../browser/host_zoom_map_impl_browsertest.cc",
     "../browser/indexed_db/indexed_db_browsertest.cc",
     "../browser/indexed_db/mock_browsertest_indexed_db_class_factory.cc",
     "../browser/indexed_db/mock_browsertest_indexed_db_class_factory.h",
     "../browser/loader/async_resource_handler_browsertest.cc",
     "../browser/loader/cross_site_resource_handler_browsertest.cc",
     "../browser/loader/reload_cache_control_browsertest.cc",
     "../browser/loader/resource_dispatcher_host_browsertest.cc",
     "../browser/manifest/manifest_browsertest.cc",
     "../browser/media/encrypted_media_browsertest.cc",
     "../browser/media/media_browsertest.cc",
@@ skipping 51 matching lines @@
     "../browser/utility_process_mojo_client_browsertest.cc",
     "../browser/vibration_browsertest.cc",
     "../browser/wake_lock/wake_lock_browsertest.cc",
     "../browser/web_contents/opened_by_dom_browsertest.cc",
     "../browser/web_contents/web_contents_impl_browsertest.cc",
     "../browser/web_contents/web_contents_view_aura_browsertest.cc",
     "../browser/web_contents_binding_set_browsertest.cc",
     "../browser/webkit_browsertest.cc",
     "../browser/webui/web_ui_browsertest.cc",
     "../browser/webui/web_ui_mojo_browsertest.cc",
-    "../browser/zoom_browsertest.cc",
     "../child/site_isolation_stats_gatherer_browsertest.cc",
     "../renderer/accessibility/render_accessibility_impl_browsertest.cc",
     "../renderer/blink_platform_audio_hardware_browsertest.cc",
     "../renderer/gin_browsertest.cc",
     "../renderer/media/renderer_webmediaplayer_delegate_browsertest.cc",
     "../renderer/mouse_lock_dispatcher_browsertest.cc",
     "../renderer/render_frame_impl_browsertest.cc",
     "../renderer/render_thread_impl_browsertest.cc",
     "../renderer/render_view_browsertest.cc",
     "../renderer/render_view_browsertest_mac.mm",
@@ skipping 182 matching lines @@
       "//content/shell/android:content_shell_assets",
       "//content/shell/android:content_shell_jni_headers",
       "//testing/android/native_test:native_test_support",
     ]
     android_manifest =
         "${target_gen_dir}/content_browsertests_manifest/AndroidManifest.xml"
     android_manifest_dep = ":content_browsertests_manifest"
     use_default_launcher = false
   } else {
     # Non-Android.
-    sources += [ "../browser/speech/speech_recognition_browsertest.cc" ]
+    sources += [
+      "../browser/host_zoom_map_impl_browsertest.cc",
+      "../browser/speech/speech_recognition_browsertest.cc",
+      "../browser/zoom_browsertest.cc",
+    ]
   }
 
   if (is_mac) {
     sources += [ "../renderer/external_popup_menu_browsertest.cc" ]
     deps += [ "//content/shell:content_shell" ]
     data += [ "$root_out_dir/Content Shell.app/" ]
   }
 
   if (is_chromeos) {
     deps += [ "//chromeos" ]
@@ skipping 202 matching lines @@
     "../browser/frame_host/navigator_impl_unittest.cc",
     "../browser/frame_host/render_frame_host_manager_unittest.cc",
     "../browser/frame_host/render_widget_host_view_child_frame_unittest.cc",
     "../browser/frame_host/render_widget_host_view_guest_unittest.cc",
     "../browser/gpu/gpu_data_manager_impl_private_unittest.cc",
     "../browser/gpu/gpu_data_manager_testing_arrays_and_structs_autogen.h",
     "../browser/gpu/gpu_data_manager_testing_autogen.cc",
     "../browser/gpu/gpu_data_manager_testing_autogen.h",
     "../browser/gpu/gpu_data_manager_testing_entry_enums_autogen.h",
     "../browser/gpu/gpu_data_manager_testing_exceptions_autogen.h",
-    "../browser/host_zoom_map_impl_unittest.cc",
     "../browser/indexed_db/indexed_db_active_blob_registry_unittest.cc",
     "../browser/indexed_db/indexed_db_backing_store_unittest.cc",
     "../browser/indexed_db/indexed_db_cleanup_on_io_error_unittest.cc",
     "../browser/indexed_db/indexed_db_database_unittest.cc",
     "../browser/indexed_db/indexed_db_dispatcher_host_unittest.cc",
     "../browser/indexed_db/indexed_db_factory_unittest.cc",
     "../browser/indexed_db/indexed_db_fake_backing_store.cc",
     "../browser/indexed_db/indexed_db_fake_backing_store.h",
     "../browser/indexed_db/indexed_db_leveldb_coding_unittest.cc",
     "../browser/indexed_db/indexed_db_quota_client_unittest.cc",
@@ skipping 599 matching lines @@
       "//media/capture/content/android",
       "//media/capture/content/android:screen_capture_java",
       "//ui/android:android",
       "//v8:v8_external_startup_data_assets",
     ]
 
     defines += [ "APPCACHE_USE_SIMPLE_CACHE" ]
   } else {
     # Non-Android.
     sources += [
+      "../browser/host_zoom_map_impl_unittest.cc",
       "../browser/speech/chunked_byte_buffer_unittest.cc",
       "../browser/speech/endpointer/endpointer_unittest.cc",
       "../browser/speech/speech_recognition_engine_unittest.cc",
       "../browser/speech/speech_recognizer_impl_unittest.cc",
     ]
     deps += [ "//third_party/libvpx" ]
   }
 
   if (use_aura) {
     deps += [
@@ skipping 91 matching lines @@
   if (is_android) {
     deps += [ "//testing/android/native_test:native_test_native_code" ]
   }
 }
 
 group("fuzzers") {
   deps = [
     "//content/test/fuzzer",
   ]
 }