Update a bunch of files to the new location of browser_thread.h

chrome/browser/chromeos/cros/touchpad_library.cc

 // Copyright (c) 2009 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 "chrome/browser/chromeos/cros/touchpad_library.h"
 
 #include "base/message_loop.h"
-#include "chrome/browser/browser_thread.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
+#include "content/browser/browser_thread.h"
 
 namespace chromeos {
 
 class TouchpadLibraryImpl : public TouchpadLibrary {
  public:
   TouchpadLibraryImpl() {}
   virtual ~TouchpadLibraryImpl() {}
 
   void SetSensitivity(int value) {
     if (CrosLibrary::Get()->EnsureLoaded()) {
@@ skipping 27 matching lines @@
 
 // static
 TouchpadLibrary* TouchpadLibrary::GetImpl(bool stub) {
   if (stub)
     return new TouchpadLibraryStubImpl();
   else
     return new TouchpadLibraryImpl();
 }
 
 }  // namespace chromeos