[Mac] Organize some files into chrome/browser/ui/cocoa/tab_contents/....

chrome/browser/ui/cocoa/tab_contents/web_drop_target_unittest.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.
 
 #include "base/mac/scoped_nsautorelease_pool.h"
 #include "base/sys_string_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/renderer_host/test/test_render_view_host.h"
 #include "chrome/browser/tab_contents/test_tab_contents.h"
 #import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
-#import "chrome/browser/ui/cocoa/web_drop_target.h"
+#import "chrome/browser/ui/cocoa/tab_contents/web_drop_target.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #import "third_party/mozilla/NSPasteboard+Utils.h"
 #include "webkit/glue/webdropdata.h"
 
 class WebDropTargetTest : public RenderViewHostTestHarness {
  public:
   virtual void SetUp() {
     RenderViewHostTestHarness::SetUp();
     CocoaTest::BootstrapCocoa();
     drop_target_.reset([[WebDropTarget alloc] initWithTabContents:contents()]);
@@ skipping 135 matching lines @@
   NSString* textString = @"hi there";
   [pboard setString:htmlString forType:NSHTMLPboardType];
   [pboard setString:textString forType:NSStringPboardType];
   [drop_target_ populateWebDropData:&data fromPasteboard:pboard];
   EXPECT_EQ(data.url.spec(), "http://www.google.com/");
   EXPECT_EQ(base::SysNSStringToUTF16(textString), data.plain_text);
   EXPECT_EQ(base::SysNSStringToUTF16(htmlString), data.text_html);
 
   [pboard releaseGlobally];
 }