[inspector] Expose GetPossibleBreakpoints for wasm

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

Index: src/inspector/v8-debugger-agent-impl.cc
diff --git a/src/inspector/v8-debugger-agent-impl.cc b/src/inspector/v8-debugger-agent-impl.cc
index 8cb5764968fea2bbc24e8f253ffe298853fcc0b6..998d3723caeacb1041aaa1248db6a38ecd76f85b 100644
--- a/src/inspector/v8-debugger-agent-impl.cc
+++ b/src/inspector/v8-debugger-agent-impl.cc
@@ -473,6 +473,7 @@ V8DebuggerAgentImpl::resolveBreakpoint(const String16& breakpointId,
       scriptIterator->second->endLine() < breakpoint.line_number)
     return nullptr;
 
+  // Translate from protocol location to v8 location for the debugger.
   ScriptBreakpoint translatedBreakpoint = breakpoint;
   m_debugger->wasmTranslation()->TranslateProtocolLocationToWasmScriptLocation(
       &translatedBreakpoint.script_id, &translatedBreakpoint.line_number,
@@ -484,6 +485,10 @@ V8DebuggerAgentImpl::resolveBreakpoint(const String16& breakpointId,
       translatedBreakpoint, &actualLineNumber, &actualColumnNumber);
   if (debuggerBreakpointId.isEmpty()) return nullptr;
 
+  // Translate back from v8 location to protocol location for the return value.
+  m_debugger->wasmTranslation()->TranslateWasmScriptLocationToProtocolLocation(
+      &translatedBreakpoint.script_id, &actualLineNumber, &actualColumnNumber);
+
   m_serverBreakpoints[debuggerBreakpointId] =
       std::make_pair(breakpointId, source);
   CHECK(!breakpointId.isEmpty());