[Mac] Organize all tab/tab strip files into chrome/browser/ui/cocoa/tabs/....

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

 // Copyright (c) 2010 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/side_tab_strip_controller.h"
+#import "chrome/browser/ui/cocoa/tabs/side_tab_strip_controller.h"
 
 @implementation SideTabStripController
 
 // TODO(pinkerton): Still need to figure out several things:
 //   - new tab button placement and layout
 //   - animating tabs in and out
 //   - being able to drop a tab elsewhere besides the 1st position
 //   - how to load a different tab view nib for each tab.
 
 - (id)initWithView:(TabStripView*)view
         switchView:(NSView*)switchView
            browser:(Browser*)browser
           delegate:(id<TabStripControllerDelegate>)delegate {
   self = [super initWithView:view
                   switchView:switchView
                      browser:browser
                     delegate:delegate];
   if (self) {
     // Side tabs have no indent since they are not sharing space with the
     // window controls.
     [self setIndentForControls:0.0];
     verticalLayout_ = YES;
   }
   return self;
 }
 
 @end