Hold cros_component_installers in browser_process.

chrome/browser/component_updater/cros_component_installer.cc

Index: chrome/browser/component_updater/cros_component_installer.cc
diff --git a/chrome/browser/component_updater/cros_component_installer.cc b/chrome/browser/component_updater/cros_component_installer.cc
index b68cd03f14e51a67945e8b6a09eaa450bfb6cfc5..5fe419d2d6a5ebe9b2132e44b996d2306630ba20 100644
--- a/chrome/browser/component_updater/cros_component_installer.cc
+++ b/chrome/browser/component_updater/cros_component_installer.cc
@@ -127,16 +127,28 @@ std::vector<std::string> CrOSComponentInstallerTraits::GetMimeTypes() const {
   return mime_types;
 }
 
+CrOSComponentInstaller::CrOSComponentInstaller(
+    std::unique_ptr<ComponentInstallerTraits> installer_traits)
+    : DefaultComponentInstaller(std::move(installer_traits)) {}
+
+CrOSComponentInstaller::~CrOSComponentInstaller() {}
+
+std::unique_ptr<base::DictionaryValue>
+CrOSComponentInstaller::GetCurrentManifest() {
+  std::unique_ptr<base::DictionaryValue> manifest_copy(
+      current_manifest_->DeepCopy());
+  return manifest_copy;
+}
+
 void CrOSComponent::RegisterCrOSComponentInternal(
     ComponentUpdateService* cus,
     const ComponentConfig& config,
     const base::Closure& installcallback) {
   std::unique_ptr<ComponentInstallerTraits> traits(
       new CrOSComponentInstallerTraits(config));
-  // |cus| will take ownership of |installer| during
-  // installer->Register(cus).
-  DefaultComponentInstaller* installer =
-      new DefaultComponentInstaller(std::move(traits));
+  scoped_refptr<CrOSComponentInstaller> installer =
+      g_browser_process->platform_part()->GetCrosComponentInstaller(
+          config.name, std::move(traits));
   installer->Register(cus, installcallback);
 }
 
@@ -153,7 +165,7 @@ bool CrOSComponent::InstallCrOSComponent(
   auto* const cus = g_browser_process->component_updater();
   const ConfigMap components = {
       {"epson-inkjet-printer-escpr",
-       {{"env_version", "0.0"},
+       {{"env_version", "2.0"},
         {"sha2hashstr",
          "1913a5e0a6cad30b6f03e176177e0d7ed62c5d6700a9c66da556d7c3f5d6a47e"}}}};
   if (name.empty()) {