Motown: Rename Ratio and LinearFunction classes

services/media/common/BUILD.gn

 # Copyright 2015 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/module_args/mojo.gni")
 import("//mojo/public/mojo_application.gni")
 import("$mojo_sdk_root/mojo/public/mojo_sdk.gni")
 
 source_set("common") {
   sources = [
     "media_pipe_base.cc",
     "media_pipe_base.h",
     "rate_control_base.cc",
   ]
 
   deps = [
     "//base",
     "//mojo/services/media/common/cpp",
     "//mojo/services/media/common/interfaces",
   ]
 }
 
 mojo_native_application("apptests") {
   output_name = "media_common_apptests"
 
   testonly = true
 
   sources = [
-    "test/linear_function_test.cc",
-    "test/ratio_test.cc",
     "test/test_base.h",
+    "test/timeline_function_test.cc",
+    "test/timeline_rate_test.cc",
   ]
 
   deps = [
     "//base",
     "//mojo/application",
     "//mojo/application:test_support",
     "//mojo/services/media/common/cpp",
   ]
 }