ScreenCapture for Android phase1, part I

media/capture/content/android/BUILD.gn

+# Copyright 2016 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/android/config.gni")
+import("//build/config/android/rules.gni")
+import("//build/config/arm.gni")
+import("//build/config/ui.gni")
+import("//media/media_options.gni")
+
+assert(is_android)
+
+source_set("android") {
+  sources = [
+    "screen_capture_jni_registrar.cc",
+    "screen_capture_jni_registrar.h",
+  ]
+  configs += [
+    "//media:media_config",
+    "//media:media_implementation",
+  ]
+  deps = [
+    ":screen_capture_jni_headers",
+  ]
+}
+
+generate_jni("screen_capture_jni_headers") {
+  sources = [
+    "java/src/org/chromium/media/ScreenCapture.java",
+  ]
+  jni_package = "media"
+}
+
+android_library("screen_capture_java") {
+  deps = [
+    "//base:base_java",
+  ]
+  java_files = [ "java/src/org/chromium/media/ScreenCapture.java" ]
+}