Clean up gfx::ColorProfile

ui/gfx/color_profile_mac.mm

 // 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 "ui/gfx/color_profile.h"
 
 #import <Cocoa/Cocoa.h>
 #include <stddef.h>
 
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "ui/gfx/mac/coordinate_conversion.h"
 
-namespace {
-
-NSScreen* GetNSScreenFromBounds(const gfx::Rect& bounds) {
-  NSScreen* screen = nil;
-  int overlap = 0;
-
-  for (NSScreen* monitor in [NSScreen screens]) {
-    gfx::Rect monitor_rect = gfx::ScreenRectFromNSRect([monitor frame]);
-    gfx::Rect overlap_rect = gfx::IntersectRects(monitor_rect, bounds);
-    int overlap_size = overlap_rect.width() * overlap_rect.height();
-    if (overlap_size > overlap) {
-      overlap = overlap_size;
-      screen = monitor;
-    }
-  }
-
-  return screen;
-}
-
-}  // namespace
-
 namespace gfx {
 
-bool GetDisplayColorProfile(const gfx::Rect& bounds,
-                            std::vector<char>* profile) {
-  DCHECK(profile->empty());
-
-  NSScreen* screen = GetNSScreenFromBounds(bounds);
-  if (!screen || bounds.IsEmpty())
-    return false;
-  NSColorSpace* color_space = [screen colorSpace];
-  if (!color_space)
-    return false;
-
-  if ([color_space isEqual:[NSColorSpace sRGBColorSpace]])
-    return true;
-  NSData* profile_data = [color_space ICCProfileData];
-  const char* data = static_cast<const char*>([profile_data bytes]);
-  size_t length = [profile_data length];
-  if (data && !gfx::InvalidColorProfileLength(length))
-    profile->assign(data, data + length);
-  return true;
-}
-
-GFX_EXPORT bool GetDisplayColorProfile(gfx::NativeWindow window,
-                                       std::vector<char>* profile) {
-  DCHECK(profile->empty());
-
-  NSColorSpace* color_space = [window colorSpace];
-  if (!color_space || NSIsEmptyRect([window frame]))
-    return false;
-
-  if ([color_space isEqual:[NSColorSpace sRGBColorSpace]])
-    return true;
-  NSData* profile_data = [color_space ICCProfileData];
-  const char* data = static_cast<const char*>([profile_data bytes]);
-  size_t length = [profile_data length];
-  if (data && !gfx::InvalidColorProfileLength(length))
-    profile->assign(data, data + length);
-  return true;
-}
-
-void ReadColorProfile(std::vector<char>* profile) {
+// static
+ColorProfile ColorProfile::GetFromBestMonitor() {
+  ColorProfile profile;
   CGColorSpaceRef monitor_color_space(base::mac::GetSystemColorSpace());
   base::ScopedCFTypeRef<CFDataRef> icc_profile(
       CGColorSpaceCopyICCProfile(monitor_color_space));
   if (!icc_profile)
-    return;
+    return profile;
   size_t length = CFDataGetLength(icc_profile);
-  if (gfx::InvalidColorProfileLength(length))
-    return;
+  if (!IsValidProfileLength(length))
+    return profile;
   const unsigned char* data = CFDataGetBytePtr(icc_profile);
-  profile->assign(data, data + length);
+  profile.profile_.assign(data, data + length);
+  return profile;
 }
 
 }  // namespace gfx