Adds UMA for display color calibration in ChromeOS.

ash/display/display_manager.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 "ash/display/display_manager.h"
 
 #include <cmath>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "ash/ash_switches.h"
 #include "ash/display/display_layout_store.h"
 #include "ash/display/screen_ash.h"
 #include "ash/screen_util.h"
 #include "ash/shell.h"
 #include "base/auto_reset.h"
 #include "base/command_line.h"
 #include "base/logging.h"
+#include "base/metrics/histogram.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "grit/ash_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/screen.h"
 #include "ui/gfx/size_conversions.h"
@@ skipping 479 matching lines @@
     ui::ColorCalibrationProfile profile) {
 #if defined(OS_CHROMEOS)
   if (!display_info_[display_id].IsColorProfileAvailable(profile))
     return;
 
   if (delegate_)
     delegate_->PreDisplayConfigurationChange(false);
   if (Shell::GetInstance()->output_configurator()->SetColorCalibrationProfile(
           display_id, profile)) {
     display_info_[display_id].SetColorProfile(profile);
+    UMA_HISTOGRAM_ENUMERATION(
+        "ChromeOS.Display.ColorProfile", profile, ui::NUM_COLOR_PROFILES);
   }
   if (delegate_)
     delegate_->PostDisplayConfigurationChange();
 #endif
 }
 
 void DisplayManager::OnNativeDisplaysChanged(
     const std::vector<DisplayInfo>& updated_displays) {
   if (updated_displays.empty()) {
     VLOG(1) << "OnNativeDisplayChanged(0): # of current displays="
@@ skipping 578 matching lines @@
       break;
   }
   gfx::Insets insets = secondary_display->GetWorkAreaInsets();
   secondary_display->set_bounds(
       gfx::Rect(new_secondary_origin, secondary_bounds.size()));
   secondary_display->UpdateWorkAreaFromInsets(insets);
 }
 
 }  // namespace internal
 }  // namespace ash