Don't look up font size preferences on Android.

chrome/browser/prefs/chrome_pref_service_unittest.cc

 // Copyright (c) 2013 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 "base/command_line.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/prefs/chrome_command_line_pref_store.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
@@ skipping 60 matching lines @@
 };
 
 // Tests to see that webkit preferences are properly loaded and copied over
 // to a WebPreferences object.
 TEST_F(ChromePrefServiceWebKitPrefs, PrefsCopied) {
   WebPreferences webkit_prefs =
       RenderViewHostTester::For(rvh())->TestComputeWebkitPrefs();
 
   // These values have been overridden by the profile preferences.
   EXPECT_EQ("UTF-8", webkit_prefs.default_encoding);
+#if !defined(OS_ANDROID)
   EXPECT_EQ(20, webkit_prefs.default_font_size);
+#else
+  // This pref is not configurable on Android so the default of 16 is always
+  // used.
+  EXPECT_EQ(16, webkit_prefs.default_font_size);
+#endif
   EXPECT_FALSE(webkit_prefs.text_areas_are_resizable);
 
   // These should still be the default values.
 #if defined(OS_MACOSX)
   const char kDefaultFont[] = "Times";
 #elif defined(OS_CHROMEOS)
   const char kDefaultFont[] = "Tinos";
 #else
   const char kDefaultFont[] = "Times New Roman";
 #endif
   EXPECT_EQ(base::ASCIIToUTF16(kDefaultFont),
             webkit_prefs.standard_font_family_map[prefs::kWebKitCommonScript]);
   EXPECT_TRUE(webkit_prefs.javascript_enabled);
 }