Fix chrome crashing in mustash on device.

chrome/browser/chromeos/chrome_browser_main_chromeos.cc

Index: chrome/browser/chromeos/chrome_browser_main_chromeos.cc
diff --git a/chrome/browser/chromeos/chrome_browser_main_chromeos.cc b/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
index ba0104cd20e90a2cff32b285a63fb8691bfa7a63..f7c6ecaf43d281affc133966bc7727fee0eea19f 100644
--- a/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
+++ b/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
@@ -214,8 +214,11 @@ class DBusServices {
     service_providers.push_back(
         base::WrapUnique(ProxyResolutionServiceProvider::Create(
             base::MakeUnique<ChromeProxyResolverDelegate>())));
-    service_providers.push_back(base::MakeUnique<DisplayPowerServiceProvider>(
-        base::MakeUnique<ChromeDisplayPowerServiceProviderDelegate>()));
+    if (!chrome::IsRunningInMash()) {
+      // TODO(crbug.com/629707): revisit this with mustash dbus work.
+      service_providers.push_back(base::MakeUnique<DisplayPowerServiceProvider>(
+          base::MakeUnique<ChromeDisplayPowerServiceProviderDelegate>()));
+    }
     service_providers.push_back(base::MakeUnique<LivenessServiceProvider>());
     service_providers.push_back(base::MakeUnique<ScreenLockServiceProvider>());
     service_providers.push_back(base::MakeUnique<ConsoleServiceProvider>(