diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/src/core/SkDeviceProfile.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/skia/trunk/src/core/SkDeviceProfile.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+
+#include "SkDeviceProfile.h"
+#include "SkThread.h"
+
+#define DEFAULT_GAMMAEXP        2.2f
+#define DEFAULT_CONTRASTSCALE   0.5f
+#define DEFAULT_LCDCONFIG       SkDeviceProfile::kNone_LCDConfig
+#define DEFAULT_FONTHINTLEVEL   SkDeviceProfile::kSlight_FontHintLevel
+
+static float pin(float value, float min, float max) {
+    if (value < min) {
+        value = min;
+    } else if (value > max) {
+        value = max;
+    }
+    return value;
+}
+
+SkDeviceProfile::SkDeviceProfile(float gammaExp, float contrast,
+                                 LCDConfig config, FontHintLevel level) {
+    fGammaExponent = pin(gammaExp, 0, 10);
+    fContrastScale = pin(contrast, 0, 1);
+    fLCDConfig = config;
+    fFontHintLevel = level;
+}
+
+void SkDeviceProfile::generateTableForLuminanceByte(U8CPU lumByte,
+                                                    uint8_t table[256]) const {
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+SkDeviceProfile* SkDeviceProfile::Create(float gammaExp,
+                                         float contrast,
+                                         LCDConfig config,
+                                         FontHintLevel level) {
+    return SkNEW_ARGS(SkDeviceProfile, (gammaExp, contrast, config, level));
+}
+
+SK_DECLARE_STATIC_MUTEX(gMutex);
+static SkDeviceProfile* gDefaultProfile;
+static SkDeviceProfile* gGlobalProfile;
+
+SkDeviceProfile* SkDeviceProfile::GetDefault() {
+    SkAutoMutexAcquire amc(gMutex);
+
+    if (NULL == gDefaultProfile) {
+        gDefaultProfile = SkDeviceProfile::Create(DEFAULT_GAMMAEXP,
+                                                  DEFAULT_CONTRASTSCALE,
+                                                  DEFAULT_LCDCONFIG,
+                                                  DEFAULT_FONTHINTLEVEL);
+    }
+    return gDefaultProfile;
+}
+
+SkDeviceProfile* SkDeviceProfile::RefGlobal() {
+    SkAutoMutexAcquire amc(gMutex);
+
+    if (NULL == gGlobalProfile) {
+        gGlobalProfile = SkDeviceProfile::GetDefault();
+    }
+    gGlobalProfile->ref();
+    return gGlobalProfile;
+}
+
+void SkDeviceProfile::SetGlobal(SkDeviceProfile* profile) {
+    SkAutoMutexAcquire amc(gMutex);
+
+    SkRefCnt_SafeAssign(gGlobalProfile, profile);
+}