[debug] change coverage API to use offset instead of line/column.

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 289 matching lines @@
     std::unique_ptr<protocol::Array<protocol::Profiler::FunctionCoverage>>
         functions =
             protocol::Array<protocol::Profiler::FunctionCoverage>::create();
     for (size_t j = 0; j < script_data.FunctionCount(); j++) {
       v8::debug::Coverage::FunctionData function_data =
           script_data.GetFunctionData(j);
       std::unique_ptr<protocol::Array<protocol::Profiler::CoverageRange>>
           ranges = protocol::Array<protocol::Profiler::CoverageRange>::create();
       // At this point we only have per-function coverage data, so there is
       // only one range per function.
-      ranges->addItem(
-          protocol::Profiler::CoverageRange::create()
-              .setStartLineNumber(function_data.Start().GetLineNumber())
-              .setStartColumnNumber(function_data.Start().GetColumnNumber())
-              .setEndLineNumber(function_data.End().GetLineNumber())
-              .setEndColumnNumber(function_data.End().GetColumnNumber())
-              .setCount(function_data.Count())
-              .build());
+      v8::debug::Location start =
+          script->GetSourceLocation(function_data.StartOffset());
+      v8::debug::Location end =
+          script->GetSourceLocation(function_data.EndOffset());
+      ranges->addItem(protocol::Profiler::CoverageRange::create()
+                          .setStartLineNumber(start.GetLineNumber())
+                          .setStartColumnNumber(start.GetColumnNumber())
+                          .setEndLineNumber(end.GetLineNumber())
+                          .setEndColumnNumber(end.GetColumnNumber())
+                          .setStartOffset(function_data.StartOffset())
+                          .setEndOffset(function_data.EndOffset())
+                          .setCount(function_data.Count())
+                          .build());
       functions->addItem(
           protocol::Profiler::FunctionCoverage::create()
               .setFunctionName(toProtocolString(
                   function_data.Name().FromMaybe(v8::Local<v8::String>())))
               .setRanges(std::move(ranges))
               .build());
     }
     String16 url;
     v8::Local<v8::String> name;
     if (script->Name().ToLocal(&name) || script->SourceURL().ToLocal(&name)) {
@@ skipping 69 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