Remove unused memory functions

third_party/WebKit/public/platform/Platform.h

Index: third_party/WebKit/public/platform/Platform.h
diff --git a/third_party/WebKit/public/platform/Platform.h b/third_party/WebKit/public/platform/Platform.h
index d1713f9389d054b03dbe99e2346fbb615fe8b705..9924046c06274895a68b8c075cf0e06005fa1ab5 100644
--- a/third_party/WebKit/public/platform/Platform.h
+++ b/third_party/WebKit/public/platform/Platform.h
@@ -276,15 +276,6 @@ public:
     // Return the number of of processors of the current machine.
     virtual size_t numberOfProcessors() { return 0; }
 
-    // Returns private and shared usage, in bytes. Private bytes is the amount of
-    // memory currently allocated to this process that cannot be shared. Returns
-    // false on platform specific error conditions.
-    virtual bool processMemorySizesInBytes(size_t* privateBytes, size_t* sharedBytes) { return false; }
-
-    // Reports number of bytes used by memory allocator for internal needs.
-    // Returns true if the size has been reported, or false otherwise.
-    virtual bool memoryAllocatorWasteInBytes(size_t*) { return false; }
-
     // Allocates discardable memory. May return nullptr, even if the platform supports
     // discardable memory. If nonzero, however, then the WebDiscardableMmeory is
     // returned in an locked state. You may use its underlying data() member