cocoa browser: don't make non-MD tab titles smaller

chrome/browser/ui/cocoa/tabs/tab_controller.mm

 // Copyright (c) 2012 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.
 
 #import "chrome/browser/ui/cocoa/tabs/tab_controller.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/i18n/rtl.h"
@@ skipping 89 matching lines @@
     iconView_.reset([[SpriteView alloc] initWithFrame:originalIconFrame_]);
     [iconView_ setAutoresizingMask:NSViewMaxXMargin | NSViewMinYMargin];
 
     // When the icon is removed, the title expands to the left to fill the
     // space left by the icon.  When the close button is removed, the title
     // expands to the right to fill its space.  These are the amounts to expand
     // and contract the title frame under those conditions. We don't have to
     // explicilty save the offset between the title and the close button since
     // we can just get that value for the close button's frame.
     NSRect titleFrame = NSMakeRect(35, 6, 92, 17);
-    if (!isModeMaterial) {
-      titleFrame.size.height = 14;

[shrike, 2016/09/16 18:51:09]

Pre-MD this code read

    NSRect titleFrame = NSMakeRect(35, 6, 92, 14);

so this statement was just preserving the original height. I'm not sure why that
no longer works.

-    }
 
     // Close button.
     NSRect closeButtonFrame = NSMakeRect(129, 6, 16, 16);
     if (!isModeMaterial) {
       closeButtonFrame = NSMakeRect(127, 4, 18, 18);
     }
     closeButton_.reset([[HoverCloseButton alloc] initWithFrame:
         closeButtonFrame]);
     [closeButton_ setAutoresizingMask:NSViewMinXMargin];
     [closeButton_ setTarget:self];
@@ skipping 340 matching lines @@
         YES : NO;
   }
   return NO;
 }
 
 - (void)maybeStartDrag:(NSEvent*)event forTab:(TabController*)tab {
   [[target_ dragController] maybeStartDrag:event forTab:tab];
 }
 
 @end