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

Source/core/loader/cache/MemoryCache.h

Index: Source/core/loader/cache/MemoryCache.h
diff --git a/Source/core/loader/cache/MemoryCache.h b/Source/core/loader/cache/MemoryCache.h
index 8da416cdead5183fdec701c372d8d55552698bba..d299f00b4244768016c7d7dc1f7a36dadfa49af6 100644
--- a/Source/core/loader/cache/MemoryCache.h
+++ b/Source/core/loader/cache/MemoryCache.h
@@ -43,7 +43,7 @@ struct SecurityOriginHash;
 
 // This cache holds subresources used by Web pages: images, scripts, stylesheets, etc.
 
-// The cache keeps a flexible but bounded window of dead resources that grows/shrinks 
+// The cache keeps a flexible but bounded window of dead resources that grows/shrinks
 // depending on the live resource load. Here's an example of cache growth over time,
 // with a min dead resource capacity of 25% and a max dead resource capacity of 50%:
 
@@ -106,14 +106,14 @@ public:
     };
 
     CachedResource* resourceForURL(const KURL&);
-    
+
     void add(CachedResource*);
     void replace(CachedResource* newResource, CachedResource* oldResource);
     void remove(CachedResource* resource) { evict(resource); }
 
     static KURL removeFragmentIdentifierIfNeeded(const KURL& originalURL);
-    
-    // Sets the cache's memory capacities, in bytes. These will hold only approximately, 
+
+    // Sets the cache's memory capacities, in bytes. These will hold only approximately,
     // since the decoded cost of resources like scripts and stylesheets is not known.
     //  - minDeadBytes: The maximum number of bytes that dead resources should consume when the cache is under pressure.
     //  - maxDeadBytes: The maximum number of bytes that dead resources should consume when the cache is not under pressure.
@@ -181,11 +181,11 @@ private:
     // more resources than the cached resource map, since it can also hold "stale" multiple versions of objects that are
     // waiting to die when the clients referencing them go away.
     Vector<LRUList, 32> m_allResources;
-    
+
     // List just for live resources with decoded data.  Access to this list is based off of painting the resource.
     LRUList m_liveDecodedResources;
-    
-    // A URL-based map of all resources that are in the cache (including the freshest version of objects that are currently being 
+
+    // A URL-based map of all resources that are in the cache (including the freshest version of objects that are currently being
     // referenced by a Web page).
     HashMap<String, CachedResource*> m_resources;