[MD User Menu] Removed the tooltips for profile buttons

chrome/browser/ui/cocoa/profiles/profile_chooser_controller.mm

 // Copyright 2014 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/profiles/profile_chooser_controller.h"
 
 #import <Carbon/Carbon.h>  // kVK_Return.
 #import <Cocoa/Cocoa.h>
 #include <stddef.h>
 
@@ skipping 2314 matching lines @@
   [profileButton setAlignment:NSLeftTextAlignment];
   [profileButton setBordered:NO];
   [profileButton setTag:itemIndex];
   [profileButton setTarget:self];
   [profileButton setAction:@selector(switchToProfile:)];
 
   NSSize textSize = [[profileButton title] sizeWithAttributes:@{
     NSFontAttributeName : [profileButton font]
   }];
 
-  if (std::ceil(textSize.width) > availableWidth)
+  if (!switches::IsMaterialDesignUserMenu() &&
+      std::ceil(textSize.width) > availableWidth)
     [profileButton setToolTip:[profileButton title]];
 
   return profileButton.autorelease();
 }
 
 - (NSView*)createOptionsViewWithRect:(NSRect)rect
                          showLock:(BOOL)showLock {
   NSRect viewRect = NSMakeRect(0, 0,
                                rect.size.width,
                                kBlueButtonHeight + kSmallVerticalSpacing);
@@ skipping 547 matching lines @@
 }
 
 - (bool)shouldShowGoIncognito {
   bool incognitoAvailable =
       IncognitoModePrefs::GetAvailability(browser_->profile()->GetPrefs()) !=
           IncognitoModePrefs::DISABLED;
   return incognitoAvailable && !browser_->profile()->IsGuestSession();
 }
 
 @end