Revert of [inspector] convert V8Console static methods into members

src/inspector/v8-inspector-impl.h

Index: src/inspector/v8-inspector-impl.h
diff --git a/src/inspector/v8-inspector-impl.h b/src/inspector/v8-inspector-impl.h
index d5a8c6e569928cb3e45d34e5dfb22599363d17da..492ec04fe4e81aa7c136c80262e0955dd1aaaca4 100644
--- a/src/inspector/v8-inspector-impl.h
+++ b/src/inspector/v8-inspector-impl.h
@@ -41,7 +41,6 @@
 namespace v8_inspector {
 
 class InspectedContext;
-class V8Console;
 class V8ConsoleMessageStorage;
 class V8Debugger;
 class V8DebuggerAgentImpl;
@@ -112,7 +111,6 @@
   V8DebuggerAgentImpl* enabledDebuggerAgentForGroup(int contextGroupId);
   V8RuntimeAgentImpl* enabledRuntimeAgentForGroup(int contextGroupId);
   V8ProfilerAgentImpl* enabledProfilerAgentForGroup(int contextGroupId);
-  V8Console* console();
 
  private:
   v8::Isolate* m_isolate;
@@ -139,8 +137,6 @@
 
   protocol::HashMap<int, int> m_contextIdToGroupIdMap;
 
-  std::unique_ptr<V8Console> m_console;
-
   DISALLOW_COPY_AND_ASSIGN(V8InspectorImpl);
 };