Move kInvalidDisplayID to display_constants.h.

ui/display/fake_display_snapshot.cc

 // Copyright 2016 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/fake_display_snapshot.h"
 
 #include <inttypes.h>
 
 #include <sstream>
 #include <utility>
@@ skipping 165 matching lines @@
 
 }  // namespace
 
 using Builder = FakeDisplaySnapshot::Builder;
 
 Builder::Builder() {}
 
 Builder::~Builder() {}
 
 std::unique_ptr<FakeDisplaySnapshot> Builder::Build() {
-  if (modes_.empty() || id_ == Display::kInvalidDisplayID) {
+  if (modes_.empty() || id_ == kInvalidDisplayId) {
     NOTREACHED() << "Display modes or display ID missing";
     return nullptr;
   }
 
   // If there is no native mode set, use the first display mode.
   if (!native_mode_)
     native_mode_ = modes_.back().get();
 
   // Calculate physical size to match set DPI.
   gfx::Size physical_size =
@@ skipping 180 matching lines @@
       " physical_size=%s, type=%s name=\"%s\" modes=(%s)",
       display_id_,
       current_mode_ ? current_mode_->ToString().c_str() : "nullptr",
       native_mode_ ? native_mode_->ToString().c_str() : "nullptr",
       origin_.ToString().c_str(), physical_size_.ToString().c_str(),
       DisplayConnectionTypeString(type_).c_str(), display_name_.c_str(),
       ModeListString(modes_).c_str());
 }
 
 }  // namespace display