Added unit test for WebShareTargetPickerView.

chrome/test/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/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
@@ skipping 4826 matching lines @@
         "../browser/ui/views/tabs/fake_base_tab_strip_controller.cc",
         "../browser/ui/views/tabs/fake_base_tab_strip_controller.h",
         "../browser/ui/views/tabs/stacked_tab_strip_layout_unittest.cc",
         "../browser/ui/views/tabs/tab_strip_layout_unittest.cc",
         "../browser/ui/views/tabs/tab_strip_unittest.cc",
         "../browser/ui/views/tabs/tab_unittest.cc",
         "../browser/ui/views/toolbar/reload_button_unittest.cc",
         "../browser/ui/views/toolbar/toolbar_action_view_unittest.cc",
         "../browser/ui/views/toolbar/toolbar_actions_bar_bubble_views_unittest.cc",
         "../browser/ui/views/translate/translate_bubble_view_unittest.cc",
+        "../browser/ui/views/webshare/webshare_target_picker_view_unittest.cc",
       ]
     }
     if (use_aura) {
       sources += [
         "../browser/ui/views/apps/shaped_app_window_targeter_unittest.cc",
 
         # Get these compiling on Mac - see http://crbug.com/657883.
         "../browser/ui/views/crypto_module_password_dialog_view_unittest.cc",
         "../browser/ui/views/desktop_capture/desktop_media_picker_views_unittest.cc",
         "../browser/ui/views/first_run_bubble_unittest.cc",
@@ skipping 303 matching lines @@
 }
 
 if (is_win) {
   loadable_module("conflicts_dll") {
     testonly = true
     sources = [
       "conflicts/conflicts_dll.cc",
     ]
   }
 }