Remove ~1750 superfluous includes from core

Source/core/loader/cache/MemoryCache.cpp

Index: Source/core/loader/cache/MemoryCache.cpp
diff --git a/Source/core/loader/cache/MemoryCache.cpp b/Source/core/loader/cache/MemoryCache.cpp
index d118fcb002d82b9c7fa46cf5c04a920924afc624..46511b9a3e3c3fed867b6293c8cd28403b910483 100644
--- a/Source/core/loader/cache/MemoryCache.cpp
+++ b/Source/core/loader/cache/MemoryCache.cpp
@@ -32,21 +32,14 @@
 #include <wtf/TemporaryChange.h>
 #include <wtf/text/CString.h>
 #include "core/dom/CrossThreadTask.h"
-#include "core/dom/Document.h"
 #include "core/dom/WebCoreMemoryInstrumentation.h"
-#include "core/loader/FrameLoader.h"
-#include "core/loader/FrameLoaderTypes.h"
 #include "core/loader/cache/CachedResource.h"
 #include "core/loader/cache/CachedResourceHandle.h"
 #include "core/page/FrameView.h"
-#include "core/platform/Logging.h"
-#include "core/platform/graphics/Image.h"
-#include "core/platform/network/ResourceHandle.h"
 #include "core/workers/WorkerContext.h"
 #include "core/workers/WorkerLoaderProxy.h"
 #include "core/workers/WorkerThread.h"
 #include "weborigin/SecurityOrigin.h"
-#include "weborigin/SecurityOriginHash.h"
 
 using namespace std;