media: Remove Browser CDM implementation

content/renderer/BUILD.gn

 # Copyright 2014 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/config/features.gni")
 import("//build/config/ui.gni")
 import("//media/media_options.gni")
 import("//third_party/webrtc/build/webrtc.gni")
 import("//tools/ipc_fuzzer/ipc_fuzzer.gni")
 
@@ skipping 849 matching lines @@
       "media/cdm/pepper_cdm_wrapper_impl.h",
       "media/cdm/ppapi_decryptor.cc",
       "media/cdm/ppapi_decryptor.h",
     ]
   }
 
   if (enable_basic_printing || enable_print_preview) {
     deps += [ "//printing" ]
   }
 
-  if (enable_browser_cdms) {
-    sources += [
-      "media/cdm/proxy_media_keys.cc",
-      "media/cdm/proxy_media_keys.h",
-      "media/cdm/renderer_cdm_manager.cc",
-      "media/cdm/renderer_cdm_manager.h",
-    ]
-  }
-
   if (enable_mojo_media) {
     sources += [
       "media/media_interface_provider.cc",
       "media/media_interface_provider.h",
     ]
 
     deps += [
       "//media/mojo/interfaces",
 
       # Defines in mojo_media_config are also pulled in here.
@@ skipping 22 matching lines @@
     # For the defines in mojo_media_config.
     public_configs = [ "//media/mojo/services:mojo_media_config" ]
   }
 
   if (!is_component_build) {
     public_deps = [
       ":renderer",
     ]
   }
 }