Force sRGB color profile on Mac for pixel tests

content/test/gpu/gpu_tests/color_profile_manager_mac.py

Index: content/test/gpu/gpu_tests/color_profile_manager_mac.py
diff --git a/content/test/gpu/gpu_tests/color_profile_manager_mac.py b/content/test/gpu/gpu_tests/color_profile_manager_mac.py
new file mode 100644
index 0000000000000000000000000000000000000000..a3719c779da4ffbf39852192b366d17072258f9c
--- /dev/null
+++ b/content/test/gpu/gpu_tests/color_profile_manager_mac.py
@@ -0,0 +1,88 @@
+# Copyright 2017 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.
+
+# The Foundation and Quartz modules are opaque and will trigger no-member
+# warnings on Mac. They will not exist on other platforms and will trigger
+# import-error warnings.
+# pylint: disable=no-member
+# pylint: disable=import-error
+# Variables will be pulled into globals() from the ColorSync framework, and will
+# trigger undefined-variables.
+# pylint: disable=undefined-variable
+
+import sys
+if sys.platform.startswith('darwin'):
+  import Foundation
+  import Quartz
+  import objc
+  # There is no module for the ColorSync framework, so synthesize one using
+  # bridge # support.
+  color_sync_framework = '/System/Library/Frameworks/ApplicationServices.' \
+                         'framework/Versions/A/Frameworks/ColorSync.framework'
+  # This string is the output of running gen_bridge_metadata on the ColorSync
+  # headers.
+  color_sync_bridge_string = """<?xml version='1.0'?>
+    <signatures version='1.0'>
+      <constant name='kColorSyncDeviceDefaultProfileID' type='^{__CFString=}'/>
+      <constant name='kColorSyncDisplayDeviceClass' type='^{__CFString=}'/>
+      <constant name='kColorSyncProfileUserScope' type='^{__CFString=}'/>
+      <function name='CGDisplayCreateUUIDFromDisplayID'>
+        <arg type='I'/>
+        <retval already_retained='true' type='^{__CFUUID=}'/>
+      </function>
+      <function name='ColorSyncDeviceCopyDeviceInfo'>
+        <arg type='^{__CFString=}'/>
+        <arg type='^{__CFUUID=}'/>
+        <retval already_retained='true' type='^{__CFDictionary=}'/>
+      </function>
+      <function name='ColorSyncDeviceSetCustomProfiles'>
+        <arg type='^{__CFString=}'/>
+        <arg type='^{__CFUUID=}'/>
+        <arg type='^{__CFDictionary=}'/>
+        <retval type='B'/>
+      </function>
+    </signatures>"""
+  objc.parseBridgeSupport(color_sync_bridge_string, globals(),
+                          color_sync_framework)
+
+# Set |display_id| to use the color profile specified in |profile_url|. If
+# |profile_url| is None, then use the factor default.
+def SetDisplayCustomProfile(device_id, profile_url):
+  if profile_url == None:
+    profile_url = Foundation.kCFNull
+  profile_info = {
+    kColorSyncDeviceDefaultProfileID : profile_url,
+    kColorSyncProfileUserScope : Foundation.kCFPreferencesCurrentUser
+  }
+  result = ColorSyncDeviceSetCustomProfiles(
+              kColorSyncDisplayDeviceClass, device_id, profile_info)
+  if result != True:
+    raise
+
+# Returns the URL for the system's sRGB color profile.
+def GetSRGBProfileURL():
+  srgb_profile_path = '/System/Library/ColorSync/Profiles/sRGB Profile.icc'
+  srgb_profile_url = Foundation.CFURLCreateFromFileSystemRepresentation(
+      None, srgb_profile_path, len(srgb_profile_path), False)
+  return srgb_profile_url
+
+# Return a map from display ID to custom color profiles set on the display or
+# None if no custom color profile is set.
+def GetDisplaysToProfileURLMap():
+  display_profile_url_map = {}
+  online_display_list_result = Quartz.CGGetOnlineDisplayList(32, None, None)
+  error = online_display_list_result[0]
+  if error != Quartz.kCGErrorSuccess:
+    raise
+  online_displays = online_display_list_result[1]
+  for display_id in online_displays:
+    device_info = ColorSyncDeviceCopyDeviceInfo(
+        kColorSyncDisplayDeviceClass,
+        CGDisplayCreateUUIDFromDisplayID(display_id))
+    device_id = device_info['DeviceID']
+    custom_profile_url = None
+    if 'CustomProfiles' in device_info and '1' in device_info['CustomProfiles']:
+      custom_profile_url = device_info['CustomProfiles']['1']
+    display_profile_url_map[device_id] = custom_profile_url
+  return display_profile_url_map