[Mac] Un-tweak omnibox height and spacing and font.

chrome/app/nibs/Toolbar.xib

 <?xml version="1.0" encoding="UTF-8"?>
 <archive type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="7.03">
         <data>
                 <int key="IBDocument.SystemTarget">1050</int>
                 <string key="IBDocument.SystemVersion">9L31a</string>
                 <string key="IBDocument.InterfaceBuilderVersion">677</string>
                 <string key="IBDocument.AppKitVersion">949.54</string>
                 <string key="IBDocument.HIToolboxVersion">353.00</string>
                 <object class="NSMutableArray" key="IBDocument.EditedObjectIDs">
                         <bool key="EncodedWithXMLCoder">YES</bool>
@@ skipping 33 matching lines @@
                                         <object class="NSCustomView" id="421615633">
                                                 <reference key="NSNextResponder" ref="928520650"/>
                                                 <int key="NSvFlags">-2147483383</int>
                                                 <string key="NSFrame">{{570, -2}, {1, 35}}</string>
                                                 <reference key="NSSuperview" ref="928520650"/>
                                                 <string key="NSClassName">BrowserActionsContainerView</string>
                                         </object>
                                         <object class="NSTextField" id="535508469">
                                                 <reference key="NSNextResponder" ref="928520650"/>
                                                 <int key="NSvFlags">266</int>
-                                                <string key="NSFrame">{{119, 3}, {454, 29}}</string>
+                                                <string key="NSFrame">{{119, 4}, {454, 27}}</string>
                                                 <reference key="NSSuperview" ref="928520650"/>
                                                 <int key="NSTag">33004</int>
                                                 <bool key="NSEnabled">YES</bool>
                                                 <object class="NSTextFieldCell" key="NSCell" id="464583340">
                                                         <int key="NSCellFlags">-1804468671</int>
                                                         <int key="NSCellFlags2">66560</int>
                                                         <string key="NSContents">chromium.org</string>
                                                         <object class="NSFont" key="NSSupport" id="654028904">
                                                                 <string key="NSName">LucidaGrande</string>
                                                                 <double key="NSSize">1.300000e+01</double>
@@ skipping 1443 matching lines @@
                                                 <string key="minorKey">browser/cocoa/wrench_menu_controller.h</string>
                                         </object>
                                 </object>
                         </object>
                 </object>
                 <int key="IBDocument.localizationMode">0</int>
                 <string key="IBDocument.LastKnownRelativeProjectPath">../../chrome.xcodeproj</string>
                 <int key="IBDocument.defaultPropertyAccessControl">3</int>
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