Fix trailing whitespace in .cpp, .h, and .idl files

Source/core/editing/MoveSelectionCommand.cpp

Index: Source/core/editing/MoveSelectionCommand.cpp
diff --git a/Source/core/editing/MoveSelectionCommand.cpp b/Source/core/editing/MoveSelectionCommand.cpp
index e9d628f867a066ce2f2117420e1f99c2721ed7e9..4fad6f0c039a3c0236ec693636c4da62e355f5b5 100644
--- a/Source/core/editing/MoveSelectionCommand.cpp
+++ b/Source/core/editing/MoveSelectionCommand.cpp
@@ -20,7 +20,7 @@
  * 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.
  */
 
 #include "config.h"
@@ -31,7 +31,7 @@
 
 namespace WebCore {
 
-MoveSelectionCommand::MoveSelectionCommand(PassRefPtr<DocumentFragment> fragment, const Position& position, bool smartInsert, bool smartDelete) 
+MoveSelectionCommand::MoveSelectionCommand(PassRefPtr<DocumentFragment> fragment, const Position& position, bool smartInsert, bool smartDelete)
     : CompositeEditCommand(position.anchorNode()->document()), m_fragment(fragment), m_position(position), m_smartInsert(smartInsert), m_smartDelete(smartDelete)
 {
     ASSERT(m_fragment);
@@ -60,7 +60,7 @@ void MoveSelectionCommand::doApply()
 
     // If the node for the destination has been removed as a result of the deletion,
     // set the destination to the ending point after the deletion.
-    // Fixes: <rdar://problem/3910425> REGRESSION (Mail): Crash in ReplaceSelectionCommand; 
+    // Fixes: <rdar://problem/3910425> REGRESSION (Mail): Crash in ReplaceSelectionCommand;
     //        selection is empty, leading to null deref
     if (!pos.anchorNode()->inDocument())
         pos = endingSelection().start();