Add the fields bits-per-pixel and bits-per-component to Display.

ui/display/display.cc

 // Copyright (c) 2012 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 "ui/display/display.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 55 matching lines @@
     g_has_forced_device_scale_factor = HasForceDeviceScaleFactorImpl();
   return !!g_has_forced_device_scale_factor;
 }
 
 // static
 void Display::ResetForceDeviceScaleFactorForTesting() {
   g_has_forced_device_scale_factor = -1;
   g_forced_device_scale_factor = -1.0;
 }
 
+constexpr int DEFAULT_BITS_PER_PIXEL = 24;
+constexpr int DEFAULT_BITS_PER_COMPONENT = 8;
+
 Display::Display()
     : id_(kInvalidDisplayID),
       device_scale_factor_(GetForcedDeviceScaleFactor()),
       rotation_(ROTATE_0),
-      touch_support_(TOUCH_SUPPORT_UNKNOWN) {}
+      touch_support_(TOUCH_SUPPORT_UNKNOWN),
+      color_depth_(DEFAULT_BITS_PER_PIXEL),
+      depth_per_component_(DEFAULT_BITS_PER_COMPONENT) {}
 
 Display::Display(const Display& other) = default;
 
 Display::Display(int64_t id)
     : id_(id),
       device_scale_factor_(GetForcedDeviceScaleFactor()),
       rotation_(ROTATE_0),
-      touch_support_(TOUCH_SUPPORT_UNKNOWN) {}
+      touch_support_(TOUCH_SUPPORT_UNKNOWN),
+      color_depth_(DEFAULT_BITS_PER_PIXEL),
+      depth_per_component_(DEFAULT_BITS_PER_COMPONENT) {}
 
 Display::Display(int64_t id, const gfx::Rect& bounds)
     : id_(id),
       bounds_(bounds),
       work_area_(bounds),
       device_scale_factor_(GetForcedDeviceScaleFactor()),
       rotation_(ROTATE_0),
-      touch_support_(TOUCH_SUPPORT_UNKNOWN) {
+      touch_support_(TOUCH_SUPPORT_UNKNOWN),
+      color_depth_(DEFAULT_BITS_PER_PIXEL),
+      depth_per_component_(DEFAULT_BITS_PER_COMPONENT) {
 #if defined(USE_AURA)
   SetScaleAndBounds(device_scale_factor_, bounds);
 #endif
 }
 
 Display::~Display() {}
 
 int Display::RotationAsDegree() const {
   switch (rotation_) {
     case ROTATE_0:
@@ skipping 99 matching lines @@
   DCHECK_NE(kInvalidDisplayID, display_id);
   return HasInternalDisplay() && internal_display_id_ == display_id;
 }
 
 // static
 bool Display::HasInternalDisplay() {
   return internal_display_id_ != kInvalidDisplayID;
 }
 
 }  // namespace display