[debug] introduce precise binary code coverage.

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

 // Copyright 2015 the V8 project 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 V8_INSPECTOR_V8PROFILERAGENTIMPL_H_
 #define V8_INSPECTOR_V8PROFILERAGENTIMPL_H_
 
 #include <vector>
 
 #include "src/base/macros.h"
 #include "src/inspector/protocol/Forward.h"
 #include "src/inspector/protocol/Profiler.h"
 
 namespace v8 {
 class CpuProfiler;
 class Isolate;
 }
 
 namespace v8_inspector {
 
 class V8InspectorSessionImpl;
 
+using protocol::Maybe;
 using protocol::Response;
 
 class V8ProfilerAgentImpl : public protocol::Profiler::Backend {
  public:
   V8ProfilerAgentImpl(V8InspectorSessionImpl*, protocol::FrontendChannel*,
                       protocol::DictionaryValue* state);
   ~V8ProfilerAgentImpl() override;
 
   bool enabled() const { return m_enabled; }
   void restore();
 
   Response enable() override;
   Response disable() override;
   Response setSamplingInterval(int) override;
   Response start() override;
   Response stop(std::unique_ptr<protocol::Profiler::Profile>*) override;
 
-  Response startPreciseCoverage() override;
+  Response startPreciseCoverage(Maybe<bool> binary) override;
   Response stopPreciseCoverage() override;
   Response takePreciseCoverage(
       std::unique_ptr<protocol::Array<protocol::Profiler::ScriptCoverage>>*
           out_result) override;
   Response getBestEffortCoverage(
       std::unique_ptr<protocol::Array<protocol::Profiler::ScriptCoverage>>*
           out_result) override;
 
   void consoleProfile(const String16& title);
   void consoleProfileEnd(const String16& title);
@@ skipping 20 matching lines @@
   String16 m_frontendInitiatedProfileId;
   bool m_idle = false;
   int m_startedProfilesCount = 0;
 
   DISALLOW_COPY_AND_ASSIGN(V8ProfilerAgentImpl);
 };
 
 }  // namespace v8_inspector
 
 #endif  // V8_INSPECTOR_V8PROFILERAGENTIMPL_H_