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

components/arc/intent_helper/font_size_util.cc

+// 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.
+
+#include "components/arc/intent_helper/font_size_util.h"
+
+#include <algorithm>
+
+namespace arc {
+
+double ConvertFontSizeChromeToAndroid(int default_size,
+                                      int default_fixed_size,
+                                      int minimum_size) {
+  // kWebKitDefaultFixedFontSize is automatically set to be 3 pixels smaller
+  // than kWebKitDefaultFontSize when Chrome's settings page's main font
+  // dropdown control is adjusted.  If the user specifically sets a higher
+  // fixed font size we will want to take into account the adjustment.
+  default_fixed_size += 3;
+  int max_chrome_size =
+      std::max(std::max(default_fixed_size, default_size), minimum_size);
+
+  double android_scale = kAndroidFontScaleSmall;
+  if (max_chrome_size >= kChromeFontSizeVeryLarge) {
+    android_scale = kAndroidFontScaleHuge;
+  } else if (max_chrome_size >= kChromeFontSizeLarge) {
+    android_scale = kAndroidFontScaleLarge;
+  } else if (max_chrome_size >= kChromeFontSizeNormal) {
+    android_scale = kAndroidFontScaleNormal;
+  }
+
+  return android_scale;
+}
+
+}  // namespace arc