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

Source/core/page/MemoryInfo.cpp

Index: Source/core/page/MemoryInfo.cpp
diff --git a/Source/core/page/MemoryInfo.cpp b/Source/core/page/MemoryInfo.cpp
index 5ed7af9261911c770e862b1d879bd62ec3dee9a1..b3ec36ad5382c250e8b9a7faffce0dce035f046a 100644
--- a/Source/core/page/MemoryInfo.cpp
+++ b/Source/core/page/MemoryInfo.cpp
@@ -111,7 +111,7 @@ size_t quantizeMemorySize(size_t size)
             sizeOfNextBucket *= scalingFactor;
             if (sizeOfNextBucket >= nextPowerOfTen) {
                 if (std::numeric_limits<size_t>::max() / 10 <= nextPowerOfTen)
-                    nextPowerOfTen = std::numeric_limits<size_t>::max();                       
+                    nextPowerOfTen = std::numeric_limits<size_t>::max();
                 else {
                     nextPowerOfTen *= 10;
                     granularity *= 10;