Adds support for saving favicon size into history database.

chrome/browser/history/history_types.cc

Index: chrome/browser/history/history_types.cc
diff --git a/chrome/browser/history/history_types.cc b/chrome/browser/history/history_types.cc
index 7f79a96e872e43a4d25d3663fa8e73b7f8299e78..848199c272c374621aef2af7fd64d33323e52be6 100644
--- a/chrome/browser/history/history_types.cc
+++ b/chrome/browser/history/history_types.cc
@@ -463,11 +463,17 @@ scoped_refptr<base::RefCountedMemory> FaviconData::first_bitmap() const {
       scoped_refptr<base::RefCountedMemory>(NULL) : bitmaps[0].bitmap_data;
 }
 
-// FaviconBitmap --------------------------------------------------------------
+// FaviconBitmapIDSize ---------------------------------------------------------
 
-FaviconBitmap::FaviconBitmap()
-    : bitmap_id(0),
-      icon_id(0) {
+FaviconBitmapIDSize::FaviconBitmapIDSize()
+    : bitmap_id(0) {
+}
+
+FaviconBitmapIDSize::~FaviconBitmapIDSize() {}
+
+// FaviconBitmap ---------------------------------------------------------------
+
+FaviconBitmap::FaviconBitmap() {
 }
 
 FaviconBitmap::~FaviconBitmap() {