Implement screen capturer for MediaStream API.

content/content_tests.gypi

Index: content/content_tests.gypi
diff --git a/content/content_tests.gypi b/content/content_tests.gypi
index 375a32747b95902452ea3be5c455147e4d562d1c..277c07f88202a04930f3b704e182019dbbbeace7 100644
--- a/content/content_tests.gypi
+++ b/content/content_tests.gypi
@@ -341,8 +341,8 @@
         'browser/web_contents/web_drag_source_mac_unittest.mm',
         'browser/webui/web_ui_message_handler_unittest.cc',
         'common/android/address_parser_unittest.cc',
-	'common/cc_messages_unittest.cc',
-	'common/common_param_traits_unittest.cc',
+        'common/cc_messages_unittest.cc',
+        'common/common_param_traits_unittest.cc',
         'common/mac/attributed_string_coder_unittest.mm',
         'common/mac/font_descriptor_unittest.mm',
         'common/gpu/gpu_info_unittest.cc',
@@ -522,6 +522,11 @@
             'browser/plugin_loader_posix_unittest.cc',
           ],
         }],
+        ['(OS=="win" or OS=="mac" or OS=="linux") and enable_webrtc==1', {
+          'sources': [
+            'browser/renderer_host/media/screen_capturer_unittest.cc',
+          ],
+        }],
         ['enable_webrtc==1', {
           'sources': [
             'browser/media/webrtc_internals_unittest.cc',
@@ -537,6 +542,7 @@
             'renderer/media/webrtc_audio_device_unittest.cc',
           ],
           'dependencies': [
+            '../remoting/remoting.gyp:remoting_screen_capturer',
             '../third_party/libjingle/libjingle.gyp:libjingle_peerconnection',
             '../third_party/webrtc/modules/modules.gyp:video_capture_module',
             '../third_party/webrtc/system_wrappers/source/system_wrappers.gyp:system_wrappers',