Prepare blink to unify definitions of load completion

Source/core/fetch/Resource.cpp

Index: Source/core/fetch/Resource.cpp
diff --git a/Source/core/fetch/Resource.cpp b/Source/core/fetch/Resource.cpp
index 062d594c43e8a32c02e198c79e397c36fb02dd3a..9cf5fdbe4e5ace37c56f5adc168d95cbb721d4c0 100644
--- a/Source/core/fetch/Resource.cpp
+++ b/Source/core/fetch/Resource.cpp
@@ -265,11 +265,10 @@ void Resource::finishOnePart()
     checkNotify();
 }
 
-void Resource::finish(double finishTime)
+void Resource::finish()
 {
     ASSERT(!m_resourceToRevalidate);
     ASSERT(!errorOccurred());
-    m_loadFinishTime = finishTime;
     finishOnePart();
     if (!errorOccurred())
         m_status = Cached;