Mark Object.observe as deprecated

third_party/WebKit/Source/bindings/core/v8/V8PerIsolateData.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 38 matching lines @@
 
 static bool runningUnitTest()
 {
     return Platform::current()->unitTestSupport();
 }
 #endif
 
 static void useCounterCallback(v8::Isolate* isolate, v8::Isolate::UseCounterFeature feature)
 {
     UseCounter::Feature blinkFeature;
+    bool deprecated = false;
     switch (feature) {
     case v8::Isolate::kUseAsm:
         blinkFeature = UseCounter::UseAsm;
         break;
     case v8::Isolate::kBreakIterator:
         blinkFeature = UseCounter::BreakIterator;
         break;
     case v8::Isolate::kLegacyConst:
         blinkFeature = UseCounter::LegacyConst;
         break;
     case v8::Isolate::kObjectObserve:
         blinkFeature = UseCounter::ObjectObserve;
+        deprecated = true;
         break;
     case v8::Isolate::kSloppyMode:
         blinkFeature = UseCounter::V8SloppyMode;
         break;
     case v8::Isolate::kStrictMode:
         blinkFeature = UseCounter::V8StrictMode;
         break;
     case v8::Isolate::kStrongMode:
         blinkFeature = UseCounter::V8StrongMode;
         break;
     case v8::Isolate::kRegExpPrototypeStickyGetter:
         blinkFeature = UseCounter::V8RegExpPrototypeStickyGetter;
         break;
     case v8::Isolate::kRegExpPrototypeToString:
         blinkFeature = UseCounter::V8RegExpPrototypeToString;
         break;
     default:
         // This can happen if V8 has added counters that this version of Blink
         // does not know about. It's harmless.
         return;
     }
-    UseCounter::count(callingExecutionContext(isolate), blinkFeature);
+    if (deprecated)
+        UseCounter::countDeprecation(callingExecutionContext(isolate), blinkFeature);
+    else
+        UseCounter::count(callingExecutionContext(isolate), blinkFeature);
 }
 
 V8PerIsolateData::V8PerIsolateData()
     : m_destructionPending(false)
     , m_isolateHolder(adoptPtr(new gin::IsolateHolder()))
     , m_stringCache(adoptPtr(new StringCache(isolate())))
     , m_hiddenValue(V8HiddenValue::create())
     , m_constructorMode(ConstructorMode::CreateNewObject)
     , m_recursionLevel(0)
     , m_isHandlingRecursionLevelError(false)
@@ skipping 190 matching lines @@
     m_endOfScopeTasks.clear();
 }
 
 void V8PerIsolateData::setScriptDebugger(PassOwnPtr<MainThreadDebugger> debugger)
 {
     ASSERT(!m_scriptDebugger);
     m_scriptDebugger = std::move(debugger);
 }
 
 } // namespace blink