[ios] Added medium fonts to fonts grid.

iphone/Maps/UIFont+MapsMeFonts.h

@@ -16,6 +16,12 @@
 + (UIFont *)regular17;
 + (UIFont *)regular18;
 + (UIFont *)regular24;
++ (UIFont *)medium10;
++ (UIFont *)medium14;
++ (UIFont *)medium16;
++ (UIFont *)medium17;
++ (UIFont *)medium18;
++ (UIFont *)medium24;
 + (UIFont *)light10;
 + (UIFont *)light12;
 + (UIFont *)light16;

iphone/Maps/UIFont+MapsMeFonts.mm

@@ -8,66 +8,96 @@
 
 #import "UIFont+MapsMeFonts.h"
 
+static NSString * const kRegularFont = @"HelveticaNeue";
+static NSString * const kMediumFont = @"HelveticaNeue-Medium";
+static NSString * const kLightFont = @"HelveticaNeue-Light";
+static NSString * const kBoldFont = @"HelveticaNeue-Bold";
+
 @implementation UIFont (MapsMeFonts)
 
 + (UIFont *)regular10
 {
-  return [UIFont fontWithName:@"HelveticaNeue" size:10];
+  return [UIFont fontWithName:kRegularFont size:10];
 }
 
 + (UIFont *)regular14
 {
-  return [UIFont fontWithName:@"HelveticaNeue" size:14];
+  return [UIFont fontWithName:kRegularFont size:14];
 }
 
 + (UIFont *)regular16
 {
-  return [UIFont fontWithName:@"HelveticaNeue" size:16];
+  return [UIFont fontWithName:kRegularFont size:16];
 }
 
 + (UIFont *)regular17
 {
-  return [UIFont fontWithName:@"HelveticaNeue" size:17];
+  return [UIFont fontWithName:kRegularFont size:17];
 }
 
 + (UIFont *)regular18
 {
-  return [UIFont fontWithName:@"HelveticaNeue" size:18];
+  return [UIFont fontWithName:kRegularFont size:18];
 }
 
 + (UIFont *)regular24
 {
-  return [UIFont fontWithName:@"HelveticaNeue" size:24];
+  return [UIFont fontWithName:kRegularFont size:24];
+}
+
++ (UIFont *)medium10
+{
+  return [UIFont fontWithName:kMediumFont size:10];
+}
++ (UIFont *)medium14
+{
+  return [UIFont fontWithName:kMediumFont size:14];
+}
++ (UIFont *)medium16
+{
+  return [UIFont fontWithName:kMediumFont size:16];
+}
++ (UIFont *)medium17
+{
+  return [UIFont fontWithName:kMediumFont size:17];
+}
++ (UIFont *)medium18
+{
+  return [UIFont fontWithName:kMediumFont size:18];
+}
++ (UIFont *)medium24
+{
+  return [UIFont fontWithName:kMediumFont size:24];
 }
 
 + (UIFont *)light10
 {
-  return [UIFont fontWithName:@"HelveticaNeue-Light" size:10];
+  return [UIFont fontWithName:kLightFont size:10];
 }
 
 + (UIFont *)light12
 {
-  return [UIFont fontWithName:@"HelveticaNeue-Light" size:12];
+  return [UIFont fontWithName:kLightFont size:12];
 }
 
 + (UIFont *)light16
 {
-  return [UIFont fontWithName:@"HelveticaNeue-Light" size:16];
+  return [UIFont fontWithName:kLightFont size:16];
 }
 
 + (UIFont *)light17
 {
-  return [UIFont fontWithName:@"HelveticaNeue-Light" size:17];
+  return [UIFont fontWithName:kLightFont size:17];
 }
 
 + (UIFont *)bold16
 {
-  return [UIFont fontWithName:@"HelveticaNeue-Bold" size:16];
+  return [UIFont fontWithName:kBoldFont size:16];
 }
 
 + (UIFont *)bold48
 {
-  return [UIFont fontWithName:@"HelveticaNeue-Bold" size:48];
+  return [UIFont fontWithName:kBoldFont size:48];
 }
 
 + (UIFont *)fontWithName:(NSString *)fontName