color: Read all displays' color profiles on Windows

ui/display/win/screen_win.h

Index: ui/display/win/screen_win.h
diff --git a/ui/display/win/screen_win.h b/ui/display/win/screen_win.h
index eed87d9e45f4ef86d7d03452821cd422dea02301..d6a3497177b61e308f0dabfa3e547dd369d5e75e 100644
--- a/ui/display/win/screen_win.h
+++ b/ui/display/win/screen_win.h
@@ -14,6 +14,7 @@
 #include "ui/display/display_change_notifier.h"
 #include "ui/display/display_export.h"
 #include "ui/display/screen.h"
+#include "ui/display/win/color_profile_reader.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/win/singleton_hwnd_observer.h"
 
@@ -30,7 +31,8 @@ namespace win {
 class DisplayInfo;
 class ScreenWinDisplay;
 
-class DISPLAY_EXPORT ScreenWin : public Screen {
+class DISPLAY_EXPORT ScreenWin : public Screen,
+                                 public ColorProfileReader::Client {
  public:
   ScreenWin();
   ~ScreenWin() override;
@@ -116,6 +118,8 @@ class DISPLAY_EXPORT ScreenWin : public Screen {
   virtual gfx::NativeWindow GetNativeWindowFromHWND(HWND hwnd) const;
 
  protected:
+  ScreenWin(bool initialize);
+
   // Screen:
   gfx::Point GetCursorScreenPoint() override;
   bool IsWindowUnderCursor(gfx::NativeWindow window) override;
@@ -133,10 +137,12 @@ class DISPLAY_EXPORT ScreenWin : public Screen {
   gfx::Rect DIPToScreenRectInWindow(
       gfx::NativeView view, const gfx::Rect& dip_rect) const override;
 
+  // ColorProfileReader::Client:
+  void OnColorProfilesChanged() override;
+
   void UpdateFromDisplayInfos(const std::vector<DisplayInfo>& display_infos);
 
   // Virtual to support mocking by unit tests.
-  virtual void Initialize();
   virtual MONITORINFOEX MonitorInfoFromScreenPoint(
       const gfx::Point& screen_point) const;
   virtual MONITORINFOEX MonitorInfoFromScreenRect(const gfx::Rect& screen_rect)
@@ -147,6 +153,7 @@ class DISPLAY_EXPORT ScreenWin : public Screen {
   virtual int GetSystemMetrics(int metric) const;
 
  private:
+  void Initialize();
   void OnWndProc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam);
 
   // Returns the ScreenWinDisplay closest to or enclosing |hwnd|.
@@ -193,6 +200,9 @@ class DISPLAY_EXPORT ScreenWin : public Screen {
   // This must be updated anytime |screen_win_displays_| is updated.
   std::vector<Display> displays_;
 
+  // A helper to read color profiles from the filesystem.
+  std::unique_ptr<ColorProfileReader> color_profile_reader_;
+
   DISALLOW_COPY_AND_ASSIGN(ScreenWin);
 };