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

Source/core/dom/PendingScript.h

Index: Source/core/dom/PendingScript.h
diff --git a/Source/core/dom/PendingScript.h b/Source/core/dom/PendingScript.h
index 6794959d33c993cbccfb89621559393f9338649e..3d95eac13b234e7e514737940626106e7cbe9e86 100644
--- a/Source/core/dom/PendingScript.h
+++ b/Source/core/dom/PendingScript.h
@@ -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.
  */
 
 #ifndef PendingScript_h
@@ -100,7 +100,7 @@ private:
     bool m_watchingForLoad;
     RefPtr<Element> m_element;
     TextPosition m_startingPosition; // Only used for inline script tags.
-    CachedResourceHandle<CachedScript> m_cachedScript; 
+    CachedResourceHandle<CachedScript> m_cachedScript;
 };
 
 }