Split video_render_module implementation into default and internal implementation.

Targets must now link with implementation of their choice instead of at "gyp"-time.

Targets linking with libjingle_media:
- internal implementation when build_with_chromium=0, default otherwise.

Targets linking with default render implementation:
- video_engine_tests
- video_loopback
- video_replay
- anything dependent on webrtc_test_common

Targets linking with internal render implementation:
- vie_auto_test
- video_render_tests
- libwebrtcdemo-jni
- video_engine_core_unittests

GN changes:
- Not many since there is almost no test definitions.

Work-around for chromium:
- Until chromium has updated libpeerconnection to link with video_capture_impl and video_render_impl, webrtc target automatically depends on it. This should fix the FYI bots and not require a webrtc roll to fix.

Re-enable android tests by reverting 7026 (some tests left disabled).

TESTED: passes all the bots. If this inadvertently breaks a target please fix the linking rules so the target has the desired implementation linked in.
BUG=3770
R=kjellander@webrtc.org, pbos@webrtc.org
TBR=mflodman@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/19359004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7217 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/webrtc_tests.gypi

@@ -48,6 +48,7 @@
         '<(DEPTH)/third_party/gflags/gflags.gyp:gflags',
         'test/webrtc_test_common.gyp:webrtc_test_common',
         'test/webrtc_test_common.gyp:webrtc_test_renderer',
+        '<(webrtc_root)/modules/modules.gyp:video_render_module_impl',
         '<(webrtc_root)/system_wrappers/source/system_wrappers.gyp:field_trial_default',
         'webrtc',
       ],
@@ -71,9 +72,10 @@
       'dependencies': [
         '<(DEPTH)/testing/gtest.gyp:gtest',
         '<(DEPTH)/third_party/gflags/gflags.gyp:gflags',
-        'system_wrappers/source/system_wrappers.gyp:field_trial_default',
         'test/webrtc_test_common.gyp:webrtc_test_common',
         'test/webrtc_test_common.gyp:webrtc_test_renderer',
+        '<(webrtc_root)/modules/modules.gyp:video_render_module_impl',
+        '<(webrtc_root)/system_wrappers/source/system_wrappers.gyp:field_trial_default',
         'webrtc',
       ],
     },
@@ -90,7 +92,8 @@
       ],
       'dependencies': [
         '<(DEPTH)/testing/gtest.gyp:gtest',
-        'modules/modules.gyp:rtp_rtcp',
+        '<(webrtc_root)/modules/modules.gyp:rtp_rtcp',
+        '<(webrtc_root)/modules/modules.gyp:video_render_module_impl',
         'test/metrics.gyp:metrics',
         'test/webrtc_test_common.gyp:webrtc_test_common',
         'test/test.gyp:test_main',
@@ -114,9 +117,6 @@
         'video/full_stack.cc',
         'video/rampup_tests.cc',
         'video/rampup_tests.h',
-        # Needed to make the test binary pass since all tests are disabled on
-        # Android (webrtc:3770).
-        'test/testsupport/always_passing_unittest.cc',
       ],
       'dependencies': [
         '<(DEPTH)/testing/gtest.gyp:gtest',