[tracing] Clean up the MemoryInfra API surface (3/3)

public/platform/WebMemoryAllocatorDump.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WebMemoryAllocatorDump_h
 #define WebMemoryAllocatorDump_h
 
 #include "WebCommon.h"
 #include "WebString.h"
 
 namespace blink {
 
 // A container which holds all the attributes of a particular dump for a given
 // allocator.
 class BLINK_PLATFORM_EXPORT WebMemoryAllocatorDump {
 public:
     virtual ~WebMemoryAllocatorDump();
 
     // Adds a scalar attribute to the dump.
     // Arguments:
     //   name: name of the attribute. Typical names, emitted by most allocators
     //       dump providers are: "size" and "objects_count".
     //   units: the units for the attribute. Gives a hint to the trace-viewer UI
     //       about the semantics of the attribute.
     //       Currently supported values are "bytes" and "objects".
     //   value: the value of the attribute.
     virtual void AddScalar(const char* name, const char* units, uint64_t value) { }
     virtual void AddScalarF(const char* name, const char* units, double value) { }
     virtual void AddString(const char* name, const char* units, const WebString& value) { }
-
-    // TODO(primiano): these below will go away soon, required only to handle a multisided patch.
-    virtual void AddScalar(const WebString& name, const char* units, uint64_t value) { }
-    virtual void AddScalarF(const WebString& name, const char* units, double value) { }
-    virtual void AddString(const WebString& name, const char* units, const WebString& value) { }
 };
 
 } // namespace blink
 
 #endif // WebMemoryAllocatorDump_h