Add sign-in and token retrieval to Blimp

blimp/client/BUILD.gn

 # Copyright 2015 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.
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
 }
 
 shared_library("blimp_client") {
@@ skipping 123 matching lines @@
       "values-vi/android_blimp_strings.xml",
       "values-zh-rCN/android_blimp_strings.xml",
       "values-zh-rTW/android_blimp_strings.xml",
     ]
   }
 
   android_library("blimp_java") {
     deps = [
       ":blimp_java_resources",
       "//base:base_java",
+      google_play_services_library,
     ]
 
     java_files = [
+      "android/java/src/org/chromium/blimp/auth/RetryingTokenSource.java",
+      "android/java/src/org/chromium/blimp/auth/TokenSource.java",
+      "android/java/src/org/chromium/blimp/auth/TokenSourceImpl.java",
       "android/java/src/org/chromium/blimp/BlimpApplication.java",
       "android/java/src/org/chromium/blimp/BlimpLibraryLoader.java",
       "android/java/src/org/chromium/blimp/BlimpRendererActivity.java",
       "android/java/src/org/chromium/blimp/BlimpView.java",
     ]
   }
 
   android_library("blimp_test_java") {
     testonly = true
 
     deps = [
       ":blimp_java",
       ":blimp_java_resources",
       "//base:base_java",
       "//base:base_java_test_support",
+      google_play_services_library,
     ]
 
-    java_files = [ "android/javatests/src/org/chromium/blimp/DummyTest.java" ]
+    java_files = [
+      "android/javatests/src/org/chromium/blimp/auth/MockTokenSource.java",
+      "android/javatests/src/org/chromium/blimp/auth/RetryingTokenSourceTest.java",
+    ]
   }
 
   android_apk("blimp_apk") {
     deps = [
       ":blimp_apk_manifest",
       ":blimp_java",
       ":blimp_java_resources",
       ":blimp_client",
+      ":blimp_java",
       "//base:base_java",
+      google_play_services_resources,
     ]
     apk_name = "Blimp"
     android_manifest = blimp_apk_manifest
     native_libs = [ "libblimp_client.so" ]
   }
 
   instrumentation_test_apk("blimp_test_apk") {
     apk_name = "BlimpTest"
     apk_under_test = ":blimp_apk"
     android_manifest = blimp_test_apk_manifest
     deps = [
       ":blimp_test_apk_manifest",
       ":blimp_test_java",
+      google_play_services_resources,
     ]
   }
 }