Reland #1: mac: Migrate xibs to OSX 10.9.5, Xcode 5.1.1.

chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa.mm

Index: chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa.mm
diff --git a/chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa.mm b/chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa.mm
index d9bf7b8e65126def02f823e98b9a3eac87dde6bd..e038e1d806f58d59d6033f479ec60e8d59e4f1d7 100644
--- a/chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa.mm
+++ b/chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa.mm
@@ -329,6 +329,19 @@ class ContentSettingBubbleWebContentsObserverBridge
   const ContentSettingBubbleModel::RadioGroup& radio_group =
       contentSettingBubbleModel_->bubble_content().radio_group;
 
+  // Xcode 5.1 Interface Builder doesn't allow a font property to be set for
+  // NSMatrix. The implementation of GTMUILocalizerAndLayoutTweaker assumes that
+  // the font for each of the cells in a NSMatrix is identical, and is the font
+  // of the NSMatrix. This logic sets the font of NSMatrix to be that of its
+  // cells.
+  NSFont* font = nil;
+  for (NSCell* cell in [allowBlockRadioGroup_ cells]) {
+    if (!font)
+      font = [cell font];
+    DCHECK([font isEqual:[cell font]]);
+  }
+  [allowBlockRadioGroup_ setFont:font];
+
   // Select appropriate radio button.
   [allowBlockRadioGroup_ selectCellWithTag: radio_group.default_item + 1];