[Cleanup] No need for extra boolean variable in FrameSelection::caretBlinkTimerFired

Source/core/editing/FrameSelection.cpp

Index: Source/core/editing/FrameSelection.cpp
diff --git a/Source/core/editing/FrameSelection.cpp b/Source/core/editing/FrameSelection.cpp
index a51014f37a7e1698914eba7d07a2442ef69c4bf7..b4708c0e8c02f371b0343e84f2dc02f5b53d1d9d 100644
--- a/Source/core/editing/FrameSelection.cpp
+++ b/Source/core/editing/FrameSelection.cpp
@@ -1629,10 +1629,9 @@ void FrameSelection::caretBlinkTimerFired(Timer<FrameSelection>*)
 {
     ASSERT(caretIsVisible());
     ASSERT(isCaret());
-    bool caretPaint = m_caretPaint;
-    if (isCaretBlinkingSuspended() && caretPaint)
+    if (isCaretBlinkingSuspended() && m_caretPaint)
         return;
-    m_caretPaint = !caretPaint;
+    m_caretPaint = !m_caretPaint;
     invalidateCaretRect();
 }