Mac: Change content settings from showing tabs on top to showing a list on the side.

chrome/browser/cocoa/content_settings_dialog_controller.mm

Index: chrome/browser/cocoa/content_settings_dialog_controller.mm
diff --git a/chrome/browser/cocoa/content_settings_dialog_controller.mm b/chrome/browser/cocoa/content_settings_dialog_controller.mm
index fcca2821c45208310fd5f19d1c6e86e8a4c80c5d..3f792e3c57db52ccd6a0d2a34dd399d97504cb6c 100644
--- a/chrome/browser/cocoa/content_settings_dialog_controller.mm
+++ b/chrome/browser/cocoa/content_settings_dialog_controller.mm
@@ -44,13 +44,20 @@ const NSInteger kGeolocationAskIndex = 1;
 const NSInteger kGeolocationDisabledIndex = 2;
 
 // Walks views in top-down order, wraps each to their current width, and moves
-// the latter ones down to prevernt overlaps.
+// the latter ones down to prevent overlaps.
 CGFloat VerticallyReflowGroup(NSArray* views) {
   views = [views sortedArrayUsingFunction:cocoa_l10n_util::CompareFrameY
                                   context:NULL];
   CGFloat localVerticalShift = 0;
   for (NSInteger index = [views count] - 1; index >= 0; --index) {
     NSView* view = [views objectAtIndex:index];
+
+    // Since the tab pane is in a horizontal resizer in IB, it's convenient
+    // to give all the subviews flexible width so that their sizes are
+    // autoupdated in IB. However, in chrome, the subviews shouldn't have
+    // flexible widths as this looks weird.
+    [view setAutoresizingMask:NSViewMaxXMargin | NSViewMinYMargin];
+
     NSSize delta = cocoa_l10n_util::WrapOrSizeToFit(view);
     localVerticalShift += delta.height;
     if (localVerticalShift) {