Extract bitrate allocation of spatial/temporal layers out of codec impl.

webrtc/modules/video_coding/codecs/test/videoprocessor_integrationtest.cc

Index: webrtc/modules/video_coding/codecs/test/videoprocessor_integrationtest.cc
diff --git a/webrtc/modules/video_coding/codecs/test/videoprocessor_integrationtest.cc b/webrtc/modules/video_coding/codecs/test/videoprocessor_integrationtest.cc
index 5ca9e55ab342df07d67f8bfc853b019a7946c4cf..a4c442b6893f79a817c83a28f49bb0986d7e4e05 100644
--- a/webrtc/modules/video_coding/codecs/test/videoprocessor_integrationtest.cc
+++ b/webrtc/modules/video_coding/codecs/test/videoprocessor_integrationtest.cc
@@ -15,6 +15,7 @@
 #include "webrtc/modules/video_coding/codecs/test/videoprocessor.h"
 #include "webrtc/modules/video_coding/codecs/vp8/include/vp8.h"
 #include "webrtc/modules/video_coding/codecs/vp8/include/vp8_common_types.h"
+#include "webrtc/modules/video_coding/codecs/vp8/temporal_layers.h"
 #include "webrtc/modules/video_coding/codecs/vp9/include/vp9.h"
 #include "webrtc/modules/video_coding/include/video_codec_interface.h"
 #include "webrtc/modules/video_coding/include/video_coding.h"
@@ -113,6 +114,7 @@ class VideoProcessorIntegrationTest : public testing::Test {
   webrtc::test::TestConfig config_;
   VideoCodec codec_settings_;
   webrtc::test::VideoProcessor* processor_;
+  TemporalLayersFactory tl_factory_;
 
   // Quantities defined/updated for every encoder rate update.
   // Some quantities defined per temporal layer (at most 3 layers in this test).
@@ -208,6 +210,7 @@ class VideoProcessorIntegrationTest : public testing::Test {
             spatial_resize_on_;
         config_.codec_settings->codecSpecific.VP8.keyFrameInterval =
             kBaseKeyFrameInterval;
+        config_.codec_settings->codecSpecific.VP8.tl_factory = &tl_factory_;
         break;
       case kVideoCodecVP9:
         config_.codec_settings->codecSpecific.VP9.denoisingOn = denoising_on_;