Revert of Ozone support for device special cases in keyboard event rewriting.

ui/events/platform/x11/x11_hotplug_event_handler.cc

Index: ui/events/platform/x11/x11_hotplug_event_handler.cc
diff --git a/ui/events/platform/x11/x11_hotplug_event_handler.cc b/ui/events/platform/x11/x11_hotplug_event_handler.cc
index b4150586bf41737f594cffdf7e73d9f753a26226..5e69c23041eb9ed6133ed4ce29958cbed5b8d1f0 100644
--- a/ui/events/platform/x11/x11_hotplug_event_handler.cc
+++ b/ui/events/platform/x11/x11_hotplug_event_handler.cc
@@ -32,10 +32,6 @@
 #include "ui/events/devices/touchscreen_device.h"
 #include "ui/gfx/x/x11_types.h"
 
-#ifndef XI_PROP_PRODUCT_ID
-#define XI_PROP_PRODUCT_ID "Device Product ID"
-#endif
-
 namespace ui {
 
 namespace {
@@ -56,7 +52,6 @@
   XI_MOUSE,
   XI_TOUCHPAD,
   XI_TOUCHSCREEN,
-  XI_PROP_PRODUCT_ID,
   NULL,
 };
 
@@ -118,13 +113,9 @@
 struct DeviceInfo {
   DeviceInfo(const XIDeviceInfo& device,
              DeviceType type,
-             const base::FilePath& path,
-             uint16_t vendor,
-             uint16_t product)
+             const base::FilePath& path)
       : id(device.deviceid),
         name(device.name),
-        vendor_id(vendor),
-        product_id(product),
         use(device.use),
         type(type),
         path(path) {
@@ -153,10 +144,6 @@
   // Internal device name.
   std::string name;
 
-  // USB-style device identifiers.
-  uint16_t vendor_id;
-  uint16_t product_id;
-
   // Device type (ie: XIMasterPointer)
   int use;
 
@@ -259,8 +246,7 @@
     if (IsKnownInvalidKeyboardDevice(device_info.name))
       continue;  // Skip invalid devices.
     InputDeviceType type = GetInputDeviceTypeFromPath(device_info.path);
-    KeyboardDevice keyboard(device_info.id, type, device_info.name);
-    devices.push_back(keyboard);
+    devices.push_back(KeyboardDevice(device_info.id, type));
   }
 
   reply_runner->PostTask(FROM_HERE, base::Bind(callback, devices));
@@ -279,7 +265,7 @@
     }
 
     InputDeviceType type = GetInputDeviceTypeFromPath(device_info.path);
-    devices.push_back(InputDevice(device_info.id, type, device_info.name));
+    devices.push_back(InputDevice(device_info.id, type));
   }
 
   reply_runner->PostTask(FROM_HERE, base::Bind(callback, devices));
@@ -298,7 +284,7 @@
     }
 
     InputDeviceType type = GetInputDeviceTypeFromPath(device_info.path);
-    devices.push_back(InputDevice(device_info.id, type, device_info.name));
+    devices.push_back(InputDevice(device_info.id, type));
   }
 
   reply_runner->PostTask(FROM_HERE, base::Bind(callback, devices));
@@ -351,10 +337,9 @@
       InputDeviceType type = GetInputDeviceTypeFromPath(device_info.path);
       // |max_x| and |max_y| are inclusive values, so we need to add 1 to get
       // the size.
-      devices.push_back(
-          TouchscreenDevice(device_info.id, type, device_info.name,
-                            gfx::Size(max_x + 1, max_y + 1),
-                            device_info.touch_class_info.num_touches));
+      devices.push_back(TouchscreenDevice(
+          device_info.id, type, gfx::Size(max_x + 1, max_y + 1),
+          device_info.touch_class_info.num_touches));
     }
   }
 
@@ -443,29 +428,8 @@
         (device.deviceid >= 0 && device.deviceid < kMaxDeviceNum)
             ? device_types[device.deviceid]
             : DEVICE_TYPE_OTHER;
-
-    // Obtain the USB-style vendor and product identifiers.
-    // (On Linux, XI2 makes this available for all evdev devices.
-    uint32_t* product_info;
-    Atom type;
-    int format_return;
-    unsigned long num_items_return;
-    unsigned long bytes_after_return;
-    uint16_t vendor = 0;
-    uint16_t product = 0;
-    if (XIGetProperty(gfx::GetXDisplay(), device.deviceid,
-                      atom_cache_.GetAtom(XI_PROP_PRODUCT_ID), 0, 2, 0,
-                      XA_INTEGER, &type, &format_return, &num_items_return,
-                      &bytes_after_return,
-                      reinterpret_cast<unsigned char**>(&product_info)) == 0 &&
-        product_info) {
-      vendor = product_info[0];
-      product = product_info[1];
-      XFree(product_info);
-    }
-
-    device_infos.push_back(DeviceInfo(
-        device, device_type, GetDevicePath(display, device), vendor, product));
+    device_infos.push_back(
+        DeviceInfo(device, device_type, GetDevicePath(display, device)));
   }
 
   // X11 is not thread safe, so first get all the required state.
@@ -482,11 +446,13 @@
   // Parsing the device information may block, so delegate the operation to a
   // worker thread. Once the device information is extracted the parsed devices
   // will be returned via the callbacks.
-  base::WorkerPool::PostTask(
-      FROM_HERE,
-      base::Bind(&HandleHotplugEventInWorker, device_infos, display_state,
-                 base::ThreadTaskRunnerHandle::Get(), callbacks),
-      true /* task_is_slow */);
+  base::WorkerPool::PostTask(FROM_HERE,
+                             base::Bind(&HandleHotplugEventInWorker,
+                                        device_infos,
+                                        display_state,
+                                        base::ThreadTaskRunnerHandle::Get(),
+                                        callbacks),
+                             true /* task_is_slow */);
 }
 
 }  // namespace ui