Fix trailing whitespace in .cpp, .h, and .idl files (ex. Source/core)

Source/wtf/BitVector.cpp

Index: Source/wtf/BitVector.cpp
diff --git a/Source/wtf/BitVector.cpp b/Source/wtf/BitVector.cpp
index 43fad988386f0eca3b7acf78dc6a271930b0954d..92299d99215044e201f9e1e56375c4de6f109511 100644
--- a/Source/wtf/BitVector.cpp
+++ b/Source/wtf/BitVector.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"
@@ -54,13 +54,13 @@ void BitVector::resize(size_t numBits)
     if (numBits <= maxInlineBits()) {
         if (isInline())
             return;
-    
+
         OutOfLineBits* myOutOfLineBits = outOfLineBits();
         m_bitsOrPointer = makeInlineBits(*myOutOfLineBits->bits());
         OutOfLineBits::destroy(myOutOfLineBits);
         return;
     }
-    
+
     resizeOutOfLine(numBits);
 }