Ensure setEncodedSizeMemoryUsage() is called when |m_data| is cleared

third_party/WebKit/Source/core/fetch/Resource.cpp

Index: third_party/WebKit/Source/core/fetch/Resource.cpp
diff --git a/third_party/WebKit/Source/core/fetch/Resource.cpp b/third_party/WebKit/Source/core/fetch/Resource.cpp
index 837e76b58a7f633445e2e9225d497e5cb1e074dc..08ab73e0ec820568023ae88d2488f41d3bf042de 100644
--- a/third_party/WebKit/Source/core/fetch/Resource.cpp
+++ b/third_party/WebKit/Source/core/fetch/Resource.cpp
@@ -395,9 +395,14 @@ void Resource::setResourceBuffer(PassRefPtr<SharedBuffer> resourceBuffer) {
   setEncodedSize(m_data->size());
 }
 
+void Resource::clearData() {
+  m_data.clear();
+  setEncodedSizeMemoryUsage(0);
+}
+
 void Resource::setDataBufferingPolicy(DataBufferingPolicy dataBufferingPolicy) {
   m_options.dataBufferingPolicy = dataBufferingPolicy;
-  m_data.clear();
+  clearData();
   setEncodedSize(0);
 }
 
@@ -412,7 +417,7 @@ void Resource::error(const ResourceError& error) {
   if (!errorOccurred())
     setStatus(LoadError);
   DCHECK(errorOccurred());
-  m_data.clear();
+  clearData();
   m_loader = nullptr;
   checkNotify();
 }
@@ -967,7 +972,7 @@ void Resource::revalidationSucceeded(
 
 void Resource::revalidationFailed() {
   SECURITY_CHECK(m_redirectChain.isEmpty());
-  m_data.clear();
+  clearData();
   m_cacheHandler.clear();
   destroyDecodedDataForFailedRevalidation();
   m_isRevalidating = false;