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

Source/core/platform/audio/ReverbInputBuffer.cpp

Index: Source/core/platform/audio/ReverbInputBuffer.cpp
diff --git a/Source/core/platform/audio/ReverbInputBuffer.cpp b/Source/core/platform/audio/ReverbInputBuffer.cpp
index 1e14de4325fdc4686b69d75f29c3c40c15403664..0a6dca7f80416b72814978601ab2a82b87eb90a9 100644
--- a/Source/core/platform/audio/ReverbInputBuffer.cpp
+++ b/Source/core/platform/audio/ReverbInputBuffer.cpp
@@ -47,7 +47,7 @@ void ReverbInputBuffer::write(const float* sourceP, size_t numberOfFrames)
     ASSERT(isCopySafe);
     if (!isCopySafe)
         return;
-        
+
     memcpy(m_buffer.data() + m_writeIndex, sourceP, sizeof(float) * numberOfFrames);
 
     m_writeIndex += numberOfFrames;
@@ -68,7 +68,7 @@ float* ReverbInputBuffer::directReadFrom(int* readIndex, size_t numberOfFrames)
             *readIndex = 0;
         return m_buffer.data();
     }
-        
+
     float* sourceP = m_buffer.data();
     float* p = sourceP + *readIndex;