media: Enable ProtectedMediaIdentifierPermissionContext on ChromeOS.

chrome/browser/chrome_content_browser_client.cc

Index: chrome/browser/chrome_content_browser_client.cc
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index 68ec9e0040d15a85df8a27d7e10e6906e71db5cd..cf63aa7cf1ec233a8427de64bbba0c5e8ce9d4c0 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -39,7 +39,6 @@
 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
 #include "chrome/browser/media/midi_permission_context.h"
 #include "chrome/browser/media/midi_permission_context_factory.h"
-#include "chrome/browser/media/protected_media_identifier_permission_context_factory.h"
 #include "chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h"
 #include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
 #include "chrome/browser/net/chrome_net_log.h"
@@ -159,14 +158,17 @@
 #include "chrome/browser/android/new_tab_page_url_handler.h"
 #include "chrome/browser/android/webapps/single_tab_mode_tab_helper.h"
 #include "chrome/browser/chrome_browser_main_android.h"
-#include "chrome/browser/media/protected_media_identifier_permission_context.h"
-#include "chrome/browser/media/protected_media_identifier_permission_context_factory.h"
 #include "chrome/common/descriptors_android.h"
 #include "components/crash/browser/crash_dump_manager_android.h"
 #elif defined(OS_POSIX)
 #include "chrome/browser/chrome_browser_main_posix.h"
 #endif
 
+#if defined(OS_ANDROID) || defined(OS_CHROMEOS)
+#include "chrome/browser/media/protected_media_identifier_permission_context.h"
+#include "chrome/browser/media/protected_media_identifier_permission_context_factory.h"
+#endif
+
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 #include "base/debug/leak_annotations.h"
 #include "components/crash/app/breakpad_linux.h"
@@ -634,7 +636,7 @@ PermissionContextBase* GetPermissionContext(Profile* profile,
     case content::PERMISSION_GEOLOCATION:
       return GeolocationPermissionContextFactory::GetForProfile(profile);
     case content::PERMISSION_PROTECTED_MEDIA_IDENTIFIER:
-#if defined(OS_ANDROID)
+#if defined(OS_ANDROID) || defined(OS_CHROMEOS)
       return ProtectedMediaIdentifierPermissionContextFactory::GetForProfile(
           profile);
 #else
@@ -1944,7 +1946,7 @@ void ChromeContentBrowserClient::RequestPermission(
                               result_callback);
       break;
     case content::PERMISSION_PROTECTED_MEDIA_IDENTIFIER:
-#if defined(OS_ANDROID)
+#if defined(OS_ANDROID) || defined(OS_CHROMEOS)
       ProtectedMediaIdentifierPermissionContextFactory::GetForProfile(profile)
           ->RequestPermission(web_contents,
                               request_id,
@@ -2034,7 +2036,7 @@ void ChromeContentBrowserClient::CancelPermissionRequest(
           ->CancelPermissionRequest(web_contents, request_id);
       break;
     case content::PERMISSION_PROTECTED_MEDIA_IDENTIFIER:
-#if defined(OS_ANDROID)
+#if defined(OS_ANDROID) || defined(OS_CHROMEOS)
       ProtectedMediaIdentifierPermissionContextFactory::GetForProfile(profile)
           ->CancelPermissionRequest(web_contents, request_id);
 #else