[inspector] migrate Schema, Console, Profiler to new style

src/inspector/v8-profiler-agent-impl.h

Index: src/inspector/v8-profiler-agent-impl.h
diff --git a/src/inspector/v8-profiler-agent-impl.h b/src/inspector/v8-profiler-agent-impl.h
index ee8997653af5183b50c05f425a3c8c0f0b7435a2..a634ff3cd9f5eebe9a3bbfb93442f90cb8d41ef1 100644
--- a/src/inspector/v8-profiler-agent-impl.h
+++ b/src/inspector/v8-profiler-agent-impl.h
@@ -20,7 +20,7 @@ namespace v8_inspector {
 
 class V8InspectorSessionImpl;
 
-using protocol::ErrorString;
+using protocol::Response;
 
 class V8ProfilerAgentImpl : public protocol::Profiler::Backend {
  public:
@@ -31,12 +31,11 @@ class V8ProfilerAgentImpl : public protocol::Profiler::Backend {
   bool enabled() const { return m_enabled; }
   void restore();
 
-  void enable(ErrorString*) override;
-  void disable(ErrorString*) override;
-  void setSamplingInterval(ErrorString*, int) override;
-  void start(ErrorString*) override;
-  void stop(ErrorString*,
-            std::unique_ptr<protocol::Profiler::Profile>*) override;
+  Response enable() override;
+  Response disable() override;
+  Response setSamplingInterval(int) override;
+  Response start() override;
+  Response stop(std::unique_ptr<protocol::Profiler::Profile>*) override;
 
   void consoleProfile(const String16& title);
   void consoleProfileEnd(const String16& title);