Add udev_device_new_from_subsystem_sysname to udev, for use in Web MIDI on Linux

See https://codereview.chromium.org/968663004/
BUG=377250

Review URL: https://codereview.chromium.org/965903003

Cr-Commit-Position: refs/heads/master@{#318887}

build/linux/system.gyp

@@ -63,6 +63,7 @@
       'udev_device_get_sysname',
       'udev_device_get_syspath',
       'udev_device_new_from_devnum',
+      'udev_device_new_from_subsystem_sysname',
       'udev_device_new_from_syspath',
       'udev_device_unref',
       'udev_enumerate_add_match_subsystem',

device/udev_linux/udev.cc

@@ -54,6 +54,14 @@ udev_device* udev_device_new_from_devnum(udev* udev, char type, dev_t devnum) {
   return UdevLoader::Get()->udev_device_new_from_devnum(udev, type, devnum);
 }
 
+udev_device* udev_device_new_from_subsystem_sysname(
+    udev* udev,
+    const char* subsystem,
+    const char* sysname) {
+  return UdevLoader::Get()->udev_device_new_from_subsystem_sysname(
+      udev, subsystem, sysname);
+}
+
 udev_device* udev_device_new_from_syspath(udev* udev, const char* syspath) {
   return UdevLoader::Get()->udev_device_new_from_syspath(udev, syspath);
 }

device/udev_linux/udev.h

@@ -42,6 +42,10 @@ const char* udev_device_get_sysattr_value(udev_device* udev_device,
 const char* udev_device_get_sysname(udev_device* udev_device);
 const char* udev_device_get_syspath(udev_device* udev_device);
 udev_device* udev_device_new_from_devnum(udev* udev, char type, dev_t devnum);
+udev_device* udev_device_new_from_subsystem_sysname(
+    udev* udev,
+    const char* subsystem,
+    const char* sysname);
 udev_device* udev_device_new_from_syspath(udev* udev, const char* syspath);
 void udev_device_unref(udev_device* udev_device);
 int udev_enumerate_add_match_subsystem(udev_enumerate* udev_enumerate,

device/udev_linux/udev0_loader.cc

@@ -70,6 +70,14 @@ udev_device* Udev0Loader::udev_device_new_from_devnum(udev* udev,
   return lib_loader_->udev_device_new_from_devnum(udev, type, devnum);
 }
 
+udev_device* Udev0Loader::udev_device_new_from_subsystem_sysname(
+    udev* udev,
+    const char* subsystem,
+    const char* sysname) {
+  return lib_loader_->udev_device_new_from_subsystem_sysname(
+      udev, subsystem, sysname);
+}
+
 udev_device* Udev0Loader::udev_device_new_from_syspath(udev* udev,
                                                        const char* syspath) {
   return lib_loader_->udev_device_new_from_syspath(udev, syspath);

device/udev_linux/udev0_loader.h

@@ -36,6 +36,10 @@ class Udev0Loader : public UdevLoader {
   udev_device* udev_device_new_from_devnum(udev* udev,
                                            char type,
                                            dev_t devnum) override;
+  udev_device* udev_device_new_from_subsystem_sysname(
+      udev* udev,
+      const char* subsystem,
+      const char* sysname) override;
   udev_device* udev_device_new_from_syspath(udev* udev,
                                             const char* syspath) override;
   void udev_device_unref(udev_device* udev_device) override;

device/udev_linux/udev1_loader.cc

@@ -70,6 +70,14 @@ udev_device* Udev1Loader::udev_device_new_from_devnum(udev* udev,
   return lib_loader_->udev_device_new_from_devnum(udev, type, devnum);
 }
 
+udev_device* Udev1Loader::udev_device_new_from_subsystem_sysname(
+    udev* udev,
+    const char* subsystem,
+    const char* sysname) {
+  return lib_loader_->udev_device_new_from_subsystem_sysname(
+      udev, subsystem, sysname);
+}
+
 udev_device* Udev1Loader::udev_device_new_from_syspath(udev* udev,
                                                        const char* syspath) {
   return lib_loader_->udev_device_new_from_syspath(udev, syspath);

device/udev_linux/udev1_loader.h

@@ -36,6 +36,10 @@ class Udev1Loader : public UdevLoader {
   udev_device* udev_device_new_from_devnum(udev* udev,
                                            char type,
                                            dev_t devnum) override;
+  udev_device* udev_device_new_from_subsystem_sysname(
+      udev* udev,
+      const char* subsystem,
+      const char* sysname) override;
   udev_device* udev_device_new_from_syspath(udev* udev,
                                             const char* syspath) override;
   void udev_device_unref(udev_device* udev_device) override;

device/udev_linux/udev_loader.h

@@ -52,6 +52,10 @@ class UdevLoader {
   virtual udev_device* udev_device_new_from_devnum(udev* udev,
                                                    char type,
                                                    dev_t devnum) = 0;
+  virtual udev_device* udev_device_new_from_subsystem_sysname(
+      udev* udev,
+      const char* subsystem,
+      const char* sysname) = 0;
   virtual udev_device* udev_device_new_from_syspath(udev* udev,
                                                     const char* syspath) = 0;
   virtual void udev_device_unref(udev_device* udev_device) = 0;