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

Source/wtf/ArrayBufferView.h

Index: Source/wtf/ArrayBufferView.h
diff --git a/Source/wtf/ArrayBufferView.h b/Source/wtf/ArrayBufferView.h
index 769f5b690e2b17d20c66315bc32e0892aada0269..21698b30d1cefa71baef0f4ff47e6b87cc9c7414 100644
--- a/Source/wtf/ArrayBufferView.h
+++ b/Source/wtf/ArrayBufferView.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 ArrayBufferView_h
@@ -145,7 +145,7 @@ bool ArrayBufferView::setImpl(ArrayBufferView* array, unsigned byteOffset)
         // Out of range offset or overflow
         return false;
     }
-    
+
     char* base = static_cast<char*>(baseAddress());
     memmove(base + byteOffset, array->baseAddress(), array->byteLength());
     return true;
@@ -159,7 +159,7 @@ bool ArrayBufferView::setRangeImpl(const char* data, size_t dataByteLength, unsi
         // Out of range offset or overflow
         return false;
     }
-    
+
     char* base = static_cast<char*>(baseAddress());
     memmove(base + byteOffset, data, dataByteLength);
     return true;
@@ -173,7 +173,7 @@ bool ArrayBufferView::zeroRangeImpl(unsigned byteOffset, size_t rangeByteLength)
         // Out of range offset or overflow
         return false;
     }
-    
+
     char* base = static_cast<char*>(baseAddress());
     memset(base + byteOffset, 0, rangeByteLength);
     return true;