Move KillRing to platform/

Source/platform/mac/KillRingMac.mm

Index: Source/platform/mac/KillRingMac.mm
diff --git a/Source/core/platform/mac/KillRingMac.mm b/Source/platform/mac/KillRingMac.mm
similarity index 93%
rename from Source/core/platform/mac/KillRingMac.mm
rename to Source/platform/mac/KillRingMac.mm
index 6213569d1ec4732c2d61319d6b22435e24024fe4..350a6468645bd12c6e91d4717bb69e131e3d6075 100644
--- a/Source/core/platform/mac/KillRingMac.mm
+++ b/Source/platform/mac/KillRingMac.mm
@@ -10,21 +10,21 @@
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GOOGLE INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #import "config.h"
-#import "core/platform/KillRing.h"
+#import "platform/KillRing.h"
 
 namespace WebCore {