FBTF: Even more ctor/virtual deinlining.

chrome/browser/history/page_usage_data.cc

Index: chrome/browser/history/page_usage_data.cc
diff --git a/chrome/browser/history/page_usage_data.cc b/chrome/browser/history/page_usage_data.cc
index f2025384c41907bc7b69c572916b2640cb2efcc5..8fc2d8b96f8a9745e689758bffe53f1ce33deab1 100644
--- a/chrome/browser/history/page_usage_data.cc
+++ b/chrome/browser/history/page_usage_data.cc
@@ -8,6 +8,17 @@
 
 #include "third_party/skia/include/core/SkBitmap.h"
 
+PageUsageData::PageUsageData(history::URLID id)
+    : id_(id),
+      thumbnail_(NULL),
+      thumbnail_set_(false),
+      thumbnail_pending_(false),
+      favicon_(NULL),
+      favicon_set_(false),
+      favicon_pending_(false),
+      score_(0.0) {
+}
+
 PageUsageData::~PageUsageData() {
   delete thumbnail_;
   delete favicon_;