bluetooth: Initial JNI setup for device/bluetooth.

device/bluetooth/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("//tools/grit/grit_rule.gni")
 
+if (is_android) {
+  import("//build/config/android/rules.gni")  # For generate_jni().
+}
+
 config("bluetooth_config") {
   if (is_win) {
     ldflags = [
       "/DELAYLOAD:BluetoothApis.dll",
 
       # Despite MSDN stating that Bthprops.dll contains the
       # symbols declared by bthprops.lib, they actually reside here:
       "/DELAYLOAD:Bthprops.cpl",
       "/DELAYLOAD:setupapi.dll",
     ]
   }
 }
 
 component("bluetooth") {
   sources = [
+    "android/bluetooth_jni_registrar.cc",
+    "android/bluetooth_jni_registrar.h",
     "bluetooth_adapter.cc",
     "bluetooth_adapter.h",
     "bluetooth_adapter_android.cc",
     "bluetooth_adapter_android.h",
     "bluetooth_adapter_chromeos.cc",
     "bluetooth_adapter_chromeos.h",
     "bluetooth_adapter_factory.cc",
     "bluetooth_adapter_factory.h",
     "bluetooth_adapter_mac.h",
     "bluetooth_adapter_mac.mm",
@@ skipping 84 matching lines @@
   all_dependent_configs = [ ":bluetooth_config" ]
 
   deps = [
     ":strings",
     "uribeacon",
     "//base",
     "//net",
     "//ui/base",
   ]
 
-  if (is_win) {
-    libs = [ "setupapi.lib" ]
-  } else if (is_chromeos) {
+  if (is_android) {
+    deps += [ ":bluetooth_jni" ]
+  }
+
+  if (is_chromeos) {
     deps += [
       "//chromeos",
       "//dbus",
     ]
   }
 
   if (is_mac) {
     libs = [ "IOBluetooth.framework" ]
   }
+
+  if (is_win) {
+    libs = [ "setupapi.lib" ]
+  }
 }
 
 grit("strings") {
   source = "bluetooth_strings.grd"
   outputs = [
     "grit/device_bluetooth_strings.h",
     "device_bluetooth_strings_am.pak",
     "device_bluetooth_strings_ar.pak",
     "device_bluetooth_strings_bg.pak",
     "device_bluetooth_strings_bn.pak",
@@ skipping 73 matching lines @@
     "test/mock_bluetooth_socket.h",
   ]
 
   deps = [
     ":bluetooth",
     "//base",
     "//net",
     "//testing/gmock",
   ]
 }
+
+if (is_android) {
+  generate_jni("bluetooth_jni") {
+    sources = [
+      "android/java/src/org/chromium/device/bluetooth/BluetoothAdapter.java",
+    ]
+    jni_package = "bluetooth"
+  }
+}