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

Source/web/WorkerFileWriterCallbacksBridge.cpp

Index: Source/web/WorkerFileWriterCallbacksBridge.cpp
diff --git a/Source/web/WorkerFileWriterCallbacksBridge.cpp b/Source/web/WorkerFileWriterCallbacksBridge.cpp
index 159cbc6ce12e08c92bc8ada7a3111bb38f593c45..96aaa33446a05811da4983f7ff5a3a1b359ed800 100644
--- a/Source/web/WorkerFileWriterCallbacksBridge.cpp
+++ b/Source/web/WorkerFileWriterCallbacksBridge.cpp
@@ -62,7 +62,7 @@ void WorkerFileWriterCallbacksBridge::postWriteToMainThread(long long position,
 {
     ASSERT(!m_operationInProgress);
     m_operationInProgress = true;
-    dispatchTaskToMainThread(createCallbackTask(&writeOnMainThread, 
+    dispatchTaskToMainThread(createCallbackTask(&writeOnMainThread,
                                                 this, position, data));
 }
 
@@ -70,7 +70,7 @@ void WorkerFileWriterCallbacksBridge::postTruncateToMainThread(long long length)
 {
     ASSERT(!m_operationInProgress);
     m_operationInProgress = true;
-    dispatchTaskToMainThread(createCallbackTask(&truncateOnMainThread, 
+    dispatchTaskToMainThread(createCallbackTask(&truncateOnMainThread,
                                                 this, length));
 }