Add integration tests for WebAPKs

chrome/android/BUILD.gn

Index: chrome/android/BUILD.gn
diff --git a/chrome/android/BUILD.gn b/chrome/android/BUILD.gn
index 884144937b35ebd539a2728534a13635ca61bfa5..d168c63653358239194d9c799a66a657198f67ad 100644
--- a/chrome/android/BUILD.gn
+++ b/chrome/android/BUILD.gn
@@ -775,10 +775,12 @@ instrumentation_test_apk("chrome_public_test_apk") {
     ":chrome_test_java",
     "//chrome/android/webapk/libs/runtime_library:runtime_library_javatests",
     "//chrome/android/webapk/shell_apk:shell_apk_javatests",
+    "//chrome/android/webapk/shell_apk:webapk_for_test",

[gone, 2017/02/21 22:31:50]

That's a really weird target name.  It should be webapk_javatests or something
like the other ones.

[pkotwicz, 2017/02/24 23:49:55]

Done.

     "//third_party/android_support_test_runner:runner_java",
   ]
   additional_apks = [
     "//chrome/android/webapk/libs/runtime_library/javatests/apk_with_webapk_service:apk_with_webapk_service",
+    "//chrome/android/webapk/shell_apk:webapk_for_test",
     "//chrome/android/webapk/shell_apk/javatests/dex_optimizer:dex_optimizer_apk",
     "//chrome/test/android/chrome_public_test_support:chrome_public_test_support_apk",
     "//net/android:net_test_support_apk",