[DevTools] Improve MainThreadDebugger::memoryInfo

third_party/WebKit/Source/platform/v8_inspector/public/V8DebuggerClient.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 V8DebuggerClient_h
 #define V8DebuggerClient_h
 
 #include "platform/PlatformExport.h"
 #include "platform/v8_inspector/public/ConsoleAPITypes.h"
 #include "platform/v8_inspector/public/ConsoleTypes.h"
@@ skipping 22 matching lines @@
     virtual int ensureDefaultContextInGroup(int contextGroupId) = 0;
     virtual bool isInspectableHeapObject(v8::Local<v8::Object>) = 0;
 
     virtual void installAdditionalCommandLineAPI(v8::Local<v8::Context>, v8::Local<v8::Object>) = 0;
     virtual void reportMessageToConsole(v8::Local<v8::Context>, MessageType, MessageLevel, const String16& message, const v8::FunctionCallbackInfo<v8::Value>* arguments, unsigned skipArgumentCount) = 0;
 
     virtual void consoleTime(const String16& title) = 0;
     virtual void consoleTimeEnd(const String16& title) = 0;
     virtual void consoleTimeStamp(const String16& title) = 0;
 
-    virtual v8::MaybeLocal<v8::Value> memoryInfo(v8::Isolate*, v8::Local<v8::Context>, v8::Local<v8::Object> creationContext) = 0;
+    virtual v8::MaybeLocal<v8::Value> memoryInfo(v8::Isolate*, v8::Local<v8::Context>) = 0;
 
     typedef void (*TimerCallback)(void*);
     virtual void startRepeatingTimer(double, TimerCallback, void* data) = 0;
     virtual void cancelTimer(void* data) = 0;
 };
 
 } // namespace blink
 
 
 #endif // V8DebuggerClient_h