ozone: choose a card useful for display rather than by default

ui/ozone/platform/dri/ozone_platform_dri.cc

Index: ui/ozone/platform/dri/ozone_platform_dri.cc
diff --git a/ui/ozone/platform/dri/ozone_platform_dri.cc b/ui/ozone/platform/dri/ozone_platform_dri.cc
index 066ede2b2c8d56f0b6e1ea73a09277b7397e8678..98055da4971f66bae500aea2c87e4561a2d86ac7 100644
--- a/ui/ozone/platform/dri/ozone_platform_dri.cc
+++ b/ui/ozone/platform/dri/ozone_platform_dri.cc
@@ -38,8 +38,6 @@ namespace ui {
 
 namespace {
 
-const char kDefaultGraphicsCardPath[] = "/dev/dri/card0";
-
 // OzonePlatform for Linux DRI (Direct Rendering Infrastructure)
 //
 // This platform is Linux without any display server (no X, wayland, or
@@ -47,7 +45,7 @@ const char kDefaultGraphicsCardPath[] = "/dev/dri/card0";
 class OzonePlatformDri : public OzonePlatform {
  public:
   OzonePlatformDri()
-      : dri_(new DriWrapper(kDefaultGraphicsCardPath)),
+      : dri_(new DriWrapper(NULL)),
         buffer_generator_(new DriBufferGenerator()),
         screen_manager_(new ScreenManager(dri_.get(), buffer_generator_.get())),
         device_manager_(CreateDeviceManager()) {}
@@ -152,6 +150,7 @@ class OzonePlatformDri : public OzonePlatform {
 }  // namespace
 
 OzonePlatform* CreateOzonePlatformDri() {
+  LOG(ERROR) << "zachr: Using Platform Dri";

[dnicoara, 2015/02/13 02:38:26]

debug log

[Zach Reizner, 2015/02/13 18:45:15]

Whoops. Line removed.

   return new OzonePlatformDri;
 }