Move arc_intent_helper_bridge.h from c/b/chromeos/ to components/

components/arc/intent_helper/font_size_util.h

+// Copyright 2016 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.
+
+#ifndef COMPONENTS_ARC_INTENT_HELPER_FONT_SIZE_UTIL_H_
+#define COMPONENTS_ARC_INTENT_HELPER_FONT_SIZE_UTIL_H_
+
+namespace arc {
+
+// The following values were obtained from chrome://settings and Android's
+// Display settings on Nov 2015. They are expected to remain stable.
+const float kAndroidFontScaleSmall = 0.85;
+const float kAndroidFontScaleNormal = 1;
+const float kAndroidFontScaleLarge = 1.15;
+const float kAndroidFontScaleHuge = 1.3;
+const int kChromeFontSizeNormal = 16;
+const int kChromeFontSizeLarge = 20;
+const int kChromeFontSizeVeryLarge = 24;
+
+// Android has only a single float value for system-wide font size
+// (font_scale).  Chrome has three main int pixel values that affect
+// system-wide font size.  We will take the largest font value of the three
+// main font values on Chrome and convert to an Android size.
+double ConvertFontSizeChromeToAndroid(int default_size,
+                                      int default_fixed_size,
+                                      int minimum_size);
+
+}  // namespace arc
+
+#endif  // COMPONENTS_ARC_INTENT_HELPER_FONT_SIZE_UTIL_H_