Have WebFrameClient::suddenTerminationDisablerChanged return a boolean

Source/web/FrameLoaderClientImpl.cpp

Index: Source/web/FrameLoaderClientImpl.cpp
diff --git a/Source/web/FrameLoaderClientImpl.cpp b/Source/web/FrameLoaderClientImpl.cpp
index 99f88aa26698ba96a637475fe8bc2b7c4b01b405..254a15a28595c7848e1ca5080fdb1d2250fc0848 100644
--- a/Source/web/FrameLoaderClientImpl.cpp
+++ b/Source/web/FrameLoaderClientImpl.cpp
@@ -929,11 +929,11 @@ unsigned FrameLoaderClientImpl::backForwardLength()
     return webview->client()->historyBackListCount() + 1 + webview->client()->historyForwardListCount();
 }
 
-void FrameLoaderClientImpl::suddenTerminationDisablerChanged(int variation, SuddenTerminationDisablerType type)
+void FrameLoaderClientImpl::suddenTerminationDisablerChanged(bool present, SuddenTerminationDisablerType type)
 {
     if (m_webFrame->client()) {
         m_webFrame->client()->suddenTerminationDisablerChanged(
-            variation, static_cast<WebFrameClient::SuddenTerminationDisablerType>(type));
+            present, static_cast<WebFrameClient::SuddenTerminationDisablerType>(type));
     }
 }