Move BitrateAllocator from BitrateController logic to Call.

webrtc/call/bitrate_allocator_unittest.cc

Index: webrtc/call/bitrate_allocator_unittest.cc
diff --git a/webrtc/modules/bitrate_controller/bitrate_allocator_unittest.cc b/webrtc/call/bitrate_allocator_unittest.cc
similarity index 98%
rename from webrtc/modules/bitrate_controller/bitrate_allocator_unittest.cc
rename to webrtc/call/bitrate_allocator_unittest.cc
index 4fc7e83b5bee74078cfa7ae2198ac6001331bb40..86f75a4380ae6ff71167395ad5b37af2414f0edd 100644
--- a/webrtc/modules/bitrate_controller/bitrate_allocator_unittest.cc
+++ b/webrtc/call/bitrate_allocator_unittest.cc
@@ -12,7 +12,7 @@
 #include <vector>
 
 #include "testing/gtest/include/gtest/gtest.h"
-#include "webrtc/modules/bitrate_controller/include/bitrate_allocator.h"
+#include "webrtc/call/bitrate_allocator.h"
 #include "webrtc/modules/bitrate_controller/include/bitrate_controller.h"
 
 namespace webrtc {
@@ -53,7 +53,7 @@ TEST_F(BitrateAllocatorTest, UpdatingBitrateObserver) {
   EXPECT_EQ(200000u, bitrate_observer.last_bitrate_);
 
   // TODO(pbos): Expect capping to 1.5M instead of 3M when not boosting the max
-  // bitrate for FEC/retransmissions (see TODO in BitrateAllocator).
+  // bitrate for FEC/retransmissions (see todo in BitrateAllocator).
   allocator_->OnNetworkChanged(4000000, 0, 0);
   EXPECT_EQ(3000000u, bitrate_observer.last_bitrate_);
   start_bitrate =