Hold cros_component_installers in browser_process.

chrome/browser/browser_process_platform_part_chromeos.cc

Index: chrome/browser/browser_process_platform_part_chromeos.cc
diff --git a/chrome/browser/browser_process_platform_part_chromeos.cc b/chrome/browser/browser_process_platform_part_chromeos.cc
index 4b63b33c1daa1e26f6c42546c58b4710352232d9..b32a3a8de0431306907c4d0b98d410b04e7d56a1 100644
--- a/chrome/browser/browser_process_platform_part_chromeos.cc
+++ b/chrome/browser/browser_process_platform_part_chromeos.cc
@@ -154,6 +154,22 @@ void BrowserProcessPlatformPart::DestroySystemClock() {
   system_clock_.reset();
 }
 
+void BrowserProcessPlatformPart::AddCompatibleCrOSComponent(
+    const std::string& name) {
+  auto it = std::find(compatible_cros_components_.begin(),
+                      compatible_cros_components_.end(), name);
+  if (it == compatible_cros_components_.end()) {
+    compatible_cros_components_.push_back(name);
+  }
+}
+
+bool BrowserProcessPlatformPart::IsCompatibleCrOSComponent(
+    const std::string& name) {
+  auto it = std::find(compatible_cros_components_.begin(),
+                      compatible_cros_components_.end(), name);
+  return it != compatible_cros_components_.end();
+}
+
 void BrowserProcessPlatformPart::CreateProfileHelper() {
   DCHECK(!created_profile_helper_ && !profile_helper_);
   created_profile_helper_ = true;