Remove implicit conversions from scoped_refptr to T* in content/browser/indexed_db/

content/browser/indexed_db/indexed_db_connection.cc

Index: content/browser/indexed_db/indexed_db_connection.cc
diff --git a/content/browser/indexed_db/indexed_db_connection.cc b/content/browser/indexed_db/indexed_db_connection.cc
index c23c76e245f010e807c564d21ca2cbc5da118f57..3ed927937e8cb16d0dcbf53a1625e068cf8fe110 100644
--- a/content/browser/indexed_db/indexed_db_connection.cc
+++ b/content/browser/indexed_db/indexed_db_connection.cc
@@ -14,7 +14,7 @@ IndexedDBConnection::IndexedDBConnection(
 IndexedDBConnection::~IndexedDBConnection() {}
 
 void IndexedDBConnection::Close() {
-  if (!callbacks_)
+  if (!callbacks_.get())
     return;
   database_->Close(this, false /* forced */);
   database_ = NULL;
@@ -22,7 +22,7 @@ void IndexedDBConnection::Close() {
 }
 
 void IndexedDBConnection::ForceClose() {
-  if (!callbacks_)
+  if (!callbacks_.get())
     return;
   database_->Close(this, true /* forced */);
   database_ = NULL;
@@ -31,7 +31,7 @@ void IndexedDBConnection::ForceClose() {
 }
 
 void IndexedDBConnection::VersionChangeIgnored() {
-  if (!database_)
+  if (!database_.get())
     return;
   database_->VersionChangeIgnored();
 }