DevTools: disable interrupts when dispatching inspector commands

Source/core/inspector/InspectorTaskRunner.cpp

Index: Source/core/inspector/InspectorTaskRunner.cpp
diff --git a/Source/core/inspector/InspectorTaskRunner.cpp b/Source/core/inspector/InspectorTaskRunner.cpp
index 34143455da079aeecbbfb4be613404702f6a4d4b..807833d2a2bdf0345bbbba310f445bdee589497d 100644
--- a/Source/core/inspector/InspectorTaskRunner.cpp
+++ b/Source/core/inspector/InspectorTaskRunner.cpp
@@ -11,6 +11,19 @@
 
 namespace blink {
 
+InspectorTaskRunner::IgnoreInterruptsScope::IgnoreInterruptsScope(InspectorTaskRunner* taskRunner)
+    : m_wasIgnoring(taskRunner->m_ignoreInterrupts)
+    , m_taskRunner(taskRunner)
+{
+    // There may be nested scopes e.g. when tasks are being executed on XHR breakpoint.
+    m_taskRunner->m_ignoreInterrupts = true;
+}
+
+InspectorTaskRunner::IgnoreInterruptsScope::~IgnoreInterruptsScope()
+{
+    m_taskRunner->m_ignoreInterrupts = m_wasIgnoring;
+}
+
 class InspectorTaskRunner::ThreadSafeTaskQueue {
     WTF_MAKE_NONCOPYABLE(ThreadSafeTaskQueue);
 public: