Instant: Use only one hidden WebContents per profile.

chrome/common/instant_types.cc

Index: chrome/common/instant_types.cc
diff --git a/chrome/common/instant_types.cc b/chrome/common/instant_types.cc
index fd2849d1a81e66613a7add4a4ac06393f4eb8b3f..94faceffdaed98cd8e3cd8a5a8590352345b6805 100644
--- a/chrome/common/instant_types.cc
+++ b/chrome/common/instant_types.cc
@@ -41,3 +41,14 @@ ThemeBackgroundInfo::ThemeBackgroundInfo()
 
 ThemeBackgroundInfo::~ThemeBackgroundInfo() {
 }
+
+MostVisitedItem::MostVisitedItem() {
+}
+
+MostVisitedItem::MostVisitedItem(const GURL& in_url, const string16& in_title)
+    : url(in_url),
+      title(in_title) {
+}
+
+MostVisitedItem::~MostVisitedItem() {
+}