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

Source/core/loader/cache/CachedResourceHandle.cpp

Index: Source/core/loader/cache/CachedResourceHandle.cpp
diff --git a/Source/core/loader/cache/CachedResourceHandle.cpp b/Source/core/loader/cache/CachedResourceHandle.cpp
index 03d648ed8f63bc1527d42a784072f7fb14a22bc4..50bc8665b17b2a4cf9d8574988324b56859370a1 100644
--- a/Source/core/loader/cache/CachedResourceHandle.cpp
+++ b/Source/core/loader/cache/CachedResourceHandle.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"
@@ -28,7 +28,7 @@
 
 namespace WebCore {
 
-void CachedResourceHandleBase::setResource(CachedResource* resource) 
+void CachedResourceHandleBase::setResource(CachedResource* resource)
 {
     if (resource == m_resource)
         return;