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

Source/core/page/Settings.cpp

Index: Source/core/page/Settings.cpp
diff --git a/Source/core/page/Settings.cpp b/Source/core/page/Settings.cpp
index b77b8286bb273b442e37591c89ad0b5c0e3883cc..68a69d3e5665b447ff0007471d7eb22468b3373f 100644
--- a/Source/core/page/Settings.cpp
+++ b/Source/core/page/Settings.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"
@@ -287,7 +287,7 @@ void Settings::setMediaTypeOverride(const String& mediaTypeOverride)
 void Settings::setLoadsImagesAutomatically(bool loadsImagesAutomatically)
 {
     m_loadsImagesAutomatically = loadsImagesAutomatically;
-    
+
     // Changing this setting to true might immediately start new loads for images that had previously had loading disabled.
     // If this happens while a WebView is being dealloc'ed, and we don't know the WebView is being dealloc'ed, these new loads
     // can cause crashes downstream when the WebView memory has actually been free'd.