Revert "Implement timers by posting delayed tasks"

Source/platform/SharedTimer.cpp

Index: Source/platform/SharedTimer.cpp
diff --git a/Source/core/editing/UnlinkCommand.cpp b/Source/platform/SharedTimer.cpp
similarity index 77%
copy from Source/core/editing/UnlinkCommand.cpp
copy to Source/platform/SharedTimer.cpp
index 46ac828048dcfff149ac244b24d4e7f06a20862e..09efb4911476fa2b9d454bbe04f2331ba23dea4e 100644
--- a/Source/core/editing/UnlinkCommand.cpp
+++ b/Source/platform/SharedTimer.cpp
@@ -24,24 +24,25 @@
  */
 
 #include "config.h"
-#include "core/editing/UnlinkCommand.h"
+#include "platform/SharedTimer.h"
 
-#include "core/html/HTMLAnchorElement.h"
+#include "public/platform/Platform.h"
 
 namespace blink {
 
-UnlinkCommand::UnlinkCommand(Document& document)
-    : CompositeEditCommand(document)
+void setSharedTimerFiredFunction(void (*f)())
 {
+    Platform::current()->setSharedTimerFiredFunction(f);
 }
 
-void UnlinkCommand::doApply()
+void setSharedTimerFireInterval(double fireTime)
 {
-    // FIXME: If a caret is inside a link, we should remove it, but currently we don't.
-    if (!endingSelection().isNonOrphanedRange())
-        return;
-
-    removeStyledElement(HTMLAnchorElement::create(document()));
+    Platform::current()->setSharedTimerFireInterval(fireTime);
 }
 
+void stopSharedTimer()
+{
+    Platform::current()->stopSharedTimer();
 }
+
+} // namespace blink