[debug] refactor code coverage to use enum for mode.

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

 // 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.
 
 #include "src/inspector/v8-profiler-agent-impl.h"
 
 #include <vector>
 
 #include "src/base/atomicops.h"
 #include "src/inspector/protocol/Protocol.h"
@@ skipping 255 matching lines @@
     if (!profile->get()) return Response::Error("Profile is not found");
   }
   m_frontendInitiatedProfileId = String16();
   m_state->setBoolean(ProfilerAgentState::userInitiatedProfiling, false);
   return Response::OK();
 }
 
 Response V8ProfilerAgentImpl::startPreciseCoverage() {
   if (!m_enabled) return Response::Error("Profiler is not enabled");
   m_state->setBoolean(ProfilerAgentState::preciseCoverageStarted, true);
-  v8::debug::Coverage::TogglePrecise(m_isolate, true);
+  v8::debug::Coverage::SelectMode(m_isolate,
+                                  v8::debug::Coverage::kPreciseCount);
   return Response::OK();
 }
 
 Response V8ProfilerAgentImpl::stopPreciseCoverage() {
   if (!m_enabled) return Response::Error("Profiler is not enabled");
   m_state->setBoolean(ProfilerAgentState::preciseCoverageStarted, false);
-  v8::debug::Coverage::TogglePrecise(m_isolate, false);
+  v8::debug::Coverage::SelectMode(m_isolate, v8::debug::Coverage::kBestEffort);
   return Response::OK();
 }
 
 namespace {
 Response takeCoverage(
     v8::Isolate* isolate, bool reset_count,
     std::unique_ptr<protocol::Array<protocol::Profiler::ScriptCoverage>>*
         out_result) {
   std::unique_ptr<protocol::Array<protocol::Profiler::ScriptCoverage>> result =
       protocol::Array<protocol::Profiler::ScriptCoverage>::create();
@@ skipping 100 matching lines @@
   return m_profiler;
 }
 
 bool V8ProfilerAgentImpl::idleFinished() {
   m_idle = false;
   if (m_profiler) m_profiler->SetIdle(m_idle);
   return m_profiler;
 }
 
 }  // namespace v8_inspector