Move a bunch more code into the content namespace.

content/browser/web_contents/web_drag_dest_mac.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 "content/browser/web_contents/web_drag_dest_mac.h"
 
 #import <Carbon/Carbon.h>
 
 #include "base/sys_string_conversions.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/public/browser/web_drag_dest_delegate.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
 #import "third_party/mozilla/NSPasteboard+Utils.h"
 #include "ui/base/clipboard/custom_data_helper.h"
 #import "ui/base/dragdrop/cocoa_dnd_util.h"
 #include "webkit/glue/webdropdata.h"
 #include "webkit/glue/window_open_disposition.h"
 
 using WebKit::WebDragOperationsMask;
 using content::OpenURLParams;
 using content::Referrer;
+using content::WebContentsImpl;
 
 int GetModifierFlags() {
   int modifier_state = 0;
   UInt32 currentModifiers = GetCurrentKeyModifiers();
   if (currentModifiers & ::shiftKey)
     modifier_state |= WebKit::WebInputEvent::ShiftKey;
   if (currentModifiers & ::controlKey)
     modifier_state |= WebKit::WebInputEvent::ControlKey;
   if (currentModifiers & ::optionKey)
     modifier_state |= WebKit::WebInputEvent::AltKey;
@@ skipping 244 matching lines @@
   // Get custom MIME data.
   if ([types containsObject:ui::kWebCustomDataPboardType]) {
     NSData* customData = [pboard dataForType:ui::kWebCustomDataPboardType];
     ui::ReadCustomDataIntoMap([customData bytes],
                               [customData length],
                               &data->custom_data);
   }
 }
 
 @end