[DevTools] Remove obsolete check from V8DebuggerImpl::currentCallFrames()

third_party/WebKit/Source/platform/v8_inspector/V8DebuggerImpl.cpp

 /*
  * Copyright (c) 2010-2011 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 458 matching lines @@
 {
     ASSERT(isPaused());
     ASSERT(!m_executionState.IsEmpty());
     v8::Local<v8::Value> argv[] = { m_executionState };
     v8::Local<v8::Value> result = callDebuggerMethod("frameCount", WTF_ARRAY_LENGTH(argv), argv).ToLocalChecked();
     if (result->IsInt32())
         return result->Int32Value();
     return 0;
 }
 
-PassOwnPtr<JavaScriptCallFrame> V8DebuggerImpl::wrapCallFrames()
+PassOwnPtr<JavaScriptCallFrame> V8DebuggerImpl::currentCallFrames()
 {
+    if (!m_isolate->InContext())
+        return nullptr;
     v8::Local<v8::Value> currentCallFrameV8;
     if (m_executionState.IsEmpty()) {
         v8::Local<v8::Function> currentCallFrameFunction = v8::Local<v8::Function>::Cast(m_debuggerScript.Get(m_isolate)->Get(v8InternalizedString("currentCallFrame")));
         currentCallFrameV8 = v8::Debug::Call(debuggerContext(), currentCallFrameFunction).ToLocalChecked();
     } else {
         v8::Local<v8::Value> argv[] = { m_executionState };
         currentCallFrameV8 = callDebuggerMethod("currentCallFrame", WTF_ARRAY_LENGTH(argv), argv).ToLocalChecked();
     }
     ASSERT(!currentCallFrameV8.IsEmpty());
     if (!currentCallFrameV8->IsObject())
         return nullptr;
     return JavaScriptCallFrame::create(debuggerContext(), v8::Local<v8::Object>::Cast(currentCallFrameV8));
 }
 
-PassOwnPtr<JavaScriptCallFrame> V8DebuggerImpl::currentCallFrames()
-{
-    if (!m_isolate->InContext())
-        return nullptr;
-
-    // Filter out stack traces entirely consisting of V8's internal scripts.
-    v8::Local<v8::StackTrace> stackTrace = v8::StackTrace::CurrentStackTrace(m_isolate, 1);
-    if (!stackTrace->GetFrameCount())
-        return nullptr;
-
-    return wrapCallFrames();
-}
-
 PassOwnPtr<JavaScriptCallFrame> V8DebuggerImpl::callFrame(int index)
 {
     if (!m_isolate->InContext())
         return nullptr;
     v8::HandleScope handleScope(m_isolate);
 
     v8::Local<v8::Value> currentCallFrameV8;
     if (m_executionState.IsEmpty()) {
         v8::Local<v8::Function> currentCallFrameFunction = v8::Local<v8::Function>::Cast(m_debuggerScript.Get(m_isolate)->Get(v8InternalizedString("currentCallFrameByIndex")));
         currentCallFrameV8 = v8::Debug::Call(debuggerContext(), currentCallFrameFunction, v8::Integer::New(m_isolate, index)).ToLocalChecked();
@@ skipping 366 matching lines @@
 }
 
 v8::Local<v8::Context> V8DebuggerImpl::regexContext()
 {
     if (m_regexContext.IsEmpty())
         m_regexContext.Reset(m_isolate, v8::Context::New(m_isolate));
     return m_regexContext.Get(m_isolate);
 }
 
 } // namespace blink