Refactor Timer classes in preparation for landing FrameTimers.

third_party/WebKit/Source/core/page/Page.cpp

Index: third_party/WebKit/Source/core/page/Page.cpp
diff --git a/third_party/WebKit/Source/core/page/Page.cpp b/third_party/WebKit/Source/core/page/Page.cpp
index f82f7cea97ff15d102c421be69abde8152c55461..f2204b956534f95fceeb19f8713a4147037ab0e4 100644
--- a/third_party/WebKit/Source/core/page/Page.cpp
+++ b/third_party/WebKit/Source/core/page/Page.cpp
@@ -533,7 +533,7 @@ void Page::willBeDestroyed()
     PageVisibilityNotifier::notifyContextDestroyed();
 }
 
-void Page::compressStrings(Timer<Page>* timer)
+void Page::compressStrings(TimerBase* timer)
 {
     ASSERT_UNUSED(timer, timer == &m_timerForCompressStrings);
     if (m_visibilityState == PageVisibilityStateHidden)