Abstract out ThreadDebugger from V8PerIsolateData

third_party/WebKit/Source/core/inspector/ThreadDebugger.cpp

Index: third_party/WebKit/Source/core/inspector/ThreadDebugger.cpp
diff --git a/third_party/WebKit/Source/core/inspector/ThreadDebugger.cpp b/third_party/WebKit/Source/core/inspector/ThreadDebugger.cpp
index 312f70a08fc691a74b78a209edc1d1e75f48d965..65042d1d9ae2b70c158bf11755b6e794f308e083 100644
--- a/third_party/WebKit/Source/core/inspector/ThreadDebugger.cpp
+++ b/third_party/WebKit/Source/core/inspector/ThreadDebugger.cpp
@@ -4,6 +4,7 @@
 
 #include "core/inspector/ThreadDebugger.h"
 
+#include <memory>
 #include "bindings/core/v8/SourceLocation.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8DOMException.h"
@@ -25,7 +26,6 @@
 #include "platform/ScriptForbiddenScope.h"
 #include "wtf/CurrentTime.h"
 #include "wtf/PtrUtil.h"
-#include <memory>
 
 namespace blink {
 
@@ -41,7 +41,19 @@ ThreadDebugger* ThreadDebugger::from(v8::Isolate* isolate) {
   if (!isolate)
     return nullptr;
   V8PerIsolateData* data = V8PerIsolateData::from(isolate);
-  return data ? data->threadDebugger() : nullptr;
+  return data ? static_cast<ThreadDebugger*>(data->threadDebugger()) : nullptr;
+}
+
+// static
+void ThreadDebugger::setThreadDebugger(v8::Isolate* isolate,
+                                       ThreadDebugger* threadDebugger) {
+  V8PerIsolateData::from(isolate)->setThreadDebugger(threadDebugger);
+}
+
+// static
+ThreadDebugger* ThreadDebugger::getThreadDebugger(v8::Isolate* isolate) {
+  return static_cast<ThreadDebugger*>(
+      V8PerIsolateData::from(isolate)->threadDebugger());
 }
 
 // static