ozone: evdev: Fix tilt calculation for tablets

ui/events/ozone/evdev/tablet_event_converter_evdev_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <errno.h>
 #include <fcntl.h>
 #include <linux/input.h>
 #include <unistd.h>
 
 #include <vector>
@@ skipping 405 matching lines @@
       {{0, 0}, EV_SYN, SYN_REPORT, 0},
   };
 
   dev->ProcessEvents(mock_kernel_queue, arraysize(mock_kernel_queue));
   EXPECT_EQ(3u, size());
 
   ui::MouseEvent* event = dispatched_event(0);
   EXPECT_EQ(ui::ET_MOUSE_MOVED, event->type());
   EXPECT_EQ(ui::EventPointerType::POINTER_TYPE_PEN,
             event->pointer_details().pointer_type());
-  EXPECT_FLOAT_EQ((90.0f * 68) / 127, event->pointer_details().tilt_x());
-  EXPECT_FLOAT_EQ((90.0f * 64) / 127, event->pointer_details().tilt_y());
+  EXPECT_FLOAT_EQ(5.625f, event->pointer_details().tilt_x());
+  EXPECT_FLOAT_EQ(0.f, event->pointer_details().tilt_y());
   event = dispatched_event(1);
   EXPECT_EQ(ui::ET_MOUSE_PRESSED, event->type());
   EXPECT_EQ(ui::EventPointerType::POINTER_TYPE_PEN,
             event->pointer_details().pointer_type());
   EXPECT_FLOAT_EQ((float)992 / 2047, event->pointer_details().force());
   EXPECT_EQ(true, event->IsLeftMouseButton());
   event = dispatched_event(2);
   EXPECT_EQ(ui::EventPointerType::POINTER_TYPE_PEN,
             event->pointer_details().pointer_type());
   EXPECT_EQ(ui::ET_MOUSE_RELEASED, event->type());
@@ skipping 60 matching lines @@
 
   struct input_event mock_kernel_queue[] = {
       {{0, 0}, EV_ABS, ABS_X, 0},
       {{0, 0}, EV_ABS, ABS_Y, 0},
       {{0, 0}, EV_SYN, SYN_REPORT, 0},
   };
 
   dev->ProcessEvents(mock_kernel_queue, arraysize(mock_kernel_queue));
   EXPECT_EQ(0u, size());
 }