WebContentsVideoCapture Cleanup: Gut-out dead code, and tighten BUILDs.

content/browser/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/features.gni")
 import("//build/config/ui.gni")
 import("//media/media_options.gni")
 import("//ppapi/features/features.gni")
 import("//printing/features/features.gni")
 import("//third_party/WebKit/public/public_features.gni")
@@ skipping 847 matching lines @@
     "media/android/media_throttler.cc",
     "media/android/media_throttler.h",
     "media/android/media_web_contents_observer_android.cc",
     "media/android/media_web_contents_observer_android.h",
     "media/audible_metrics.cc",
     "media/audible_metrics.h",
     "media/audio_stream_monitor.cc",
     "media/audio_stream_monitor.h",
     "media/capture/audio_mirroring_manager.cc",
     "media/capture/audio_mirroring_manager.h",
-    "media/capture/cursor_renderer.h",
-    "media/capture/cursor_renderer_aura.cc",
-    "media/capture/cursor_renderer_aura.h",
-    "media/capture/cursor_renderer_mac.h",
-    "media/capture/cursor_renderer_mac.mm",
     "media/capture/desktop_capture_device_uma_types.cc",
     "media/capture/desktop_capture_device_uma_types.h",
     "media/capture/image_capture_impl.cc",
     "media/capture/image_capture_impl.h",
     "media/capture/web_contents_audio_input_stream.cc",
     "media/capture/web_contents_audio_input_stream.h",
     "media/capture/web_contents_audio_muter.cc",
     "media/capture/web_contents_audio_muter.h",
     "media/capture/web_contents_tracker.cc",
     "media/capture/web_contents_tracker.h",
-    "media/capture/web_contents_video_capture_device.cc",
-    "media/capture/web_contents_video_capture_device.h",
-    "media/capture/window_activity_tracker.cc",
-    "media/capture/window_activity_tracker.h",
-    "media/capture/window_activity_tracker_aura.cc",
-    "media/capture/window_activity_tracker_aura.h",
-    "media/capture/window_activity_tracker_mac.h",
-    "media/capture/window_activity_tracker_mac.mm",
     "media/cdm_registry_impl.cc",
     "media/cdm_registry_impl.h",
     "media/media_devices_permission_checker.cc",
     "media/media_devices_permission_checker.h",
     "media/media_interface_proxy.cc",
     "media/media_interface_proxy.h",
     "media/media_internals.cc",
     "media/media_internals.h",
     "media/media_internals_handler.cc",
     "media/media_internals_handler.h",
@@ skipping 600 matching lines @@
       "webrtc/webrtc_internals_ui_observer.h",
     ]
 
     deps += [
       "//jingle:jingle_glue",
       "//third_party/libjingle/webrtc:libjingle_webrtc",
       "//third_party/webrtc/base:rtc_base",
       "//third_party/webrtc/media:rtc_media_base",
       "//third_party/webrtc/modules/desktop_capture:primitives",
     ]
-    if (!is_ios) {
-      defines += [ "ENABLE_SCREEN_CAPTURE=1" ]
-    }
+
     if (is_linux || is_mac || is_win) {
       sources += [
         "media/capture/desktop_capture_device.cc",
         "media/capture/desktop_capture_device.h",
       ]
-      if (use_aura) {
-        sources += [
-          "media/capture/aura_window_capture_machine.cc",
-          "media/capture/aura_window_capture_machine.h",
-          "media/capture/desktop_capture_device_aura.cc",
-          "media/capture/desktop_capture_device_aura.h",
-        ]
-      }
       deps += [ "//third_party/webrtc/modules/desktop_capture" ]
     }
   }
 
+  # Desktop screen capture implementations that are not dependent on WebRTC.
+  if (is_linux || is_mac || is_win) {
+    defines += [ "ENABLE_SCREEN_CAPTURE=1" ]
+    sources += [
+      "media/capture/cursor_renderer.h",
+      "media/capture/web_contents_video_capture_device.cc",
+      "media/capture/web_contents_video_capture_device.h",
+      "media/capture/window_activity_tracker.cc",
+      "media/capture/window_activity_tracker.h",
+    ]
+    if (use_aura) {
+      sources += [
+        "media/capture/aura_window_capture_machine.cc",
+        "media/capture/aura_window_capture_machine.h",
+        "media/capture/cursor_renderer_aura.cc",
+        "media/capture/cursor_renderer_aura.h",
+        "media/capture/desktop_capture_device_aura.cc",
+        "media/capture/desktop_capture_device_aura.h",
+        "media/capture/window_activity_tracker_aura.cc",
+        "media/capture/window_activity_tracker_aura.h",
+      ]
+    }
+    if (is_mac) {
+      sources += [
+        "media/capture/cursor_renderer_mac.h",
+        "media/capture/cursor_renderer_mac.mm",
+        "media/capture/window_activity_tracker_mac.h",
+        "media/capture/window_activity_tracker_mac.mm",
+      ]
+    }
+  }
+
   if (is_win) {
     sources -= [ "device_sensors/data_fetcher_shared_memory_default.cc" ]
     defines += [
       # This prevents the inclusion of atlhost.h which paired
       # with the windows 8 sdk it does the wrong thing.
       "__ATLHOST_H__",
     ]
     deps += [
       "//third_party/iaccessible2",
       "//third_party/isimpledom",
@@ skipping 238 matching lines @@
     ]
     deps -= [ "//device/battery" ]
     deps += [
       "//content/public/android:jni",
       "//media",
       "//media/capture/content/android",
       "//media/capture/video/android",
       "//mojo/android:libsystem_java",
       "//ui/android",
     ]
-    defines += [ "APPCACHE_USE_SIMPLE_CACHE" ]
+    defines += [
+      "APPCACHE_USE_SIMPLE_CACHE",
+      "ENABLE_SCREEN_CAPTURE=1",
+    ]
     libs += [ "jnigraphics" ]
   } else {
     # Not Android.
     sources += [
       # Most speech code is non-Android.
       "speech/audio_buffer.cc",
       "speech/audio_buffer.h",
       "speech/audio_encoder.cc",
       "speech/audio_encoder.h",
       "speech/chunked_byte_buffer.cc",
@@ skipping 52 matching lines @@
     sources += [
       "compositor/mus_browser_compositor_output_surface.cc",
       "compositor/mus_browser_compositor_output_surface.h",
       "renderer_host/delegated_frame_host_client_aura.cc",
       "renderer_host/delegated_frame_host_client_aura.h",
       "renderer_host/render_widget_host_view_event_handler.cc",
       "renderer_host/render_widget_host_view_event_handler.h",
     ]
   } else {  # Not aura.
     sources -= [
-      "media/capture/cursor_renderer_aura.cc",
-      "media/capture/cursor_renderer_aura.h",
-      "media/capture/window_activity_tracker_aura.cc",
-      "media/capture/window_activity_tracker_aura.h",
       "renderer_host/compositor_resize_lock_aura.cc",
       "renderer_host/compositor_resize_lock_aura.h",
       "renderer_host/input/synthetic_gesture_target_aura.cc",
       "renderer_host/input/synthetic_gesture_target_aura.h",
       "renderer_host/input/touch_selection_controller_client_aura.cc",
       "renderer_host/input/touch_selection_controller_client_aura.h",
       "renderer_host/native_web_keyboard_event_aura.cc",
       "renderer_host/render_widget_host_view_aura.cc",
       "renderer_host/render_widget_host_view_aura.h",
       "renderer_host/ui_events_helper.cc",
@@ skipping 116 matching lines @@
   if (!is_component_build) {
     public_deps = [
       ":browser",
     ]
   } else {
     public_deps = [
       "//third_party/leveldatabase",
     ]
   }
 }