Use new APIs in base/values.h: Value::GetAsNumber and DictionaryValue::GetNumber.

content/browser/host_zoom_map.cc

Index: content/browser/host_zoom_map.cc
diff --git a/content/browser/host_zoom_map.cc b/content/browser/host_zoom_map.cc
index 3d504034e3f9c513740bd8890e251e7a769164f0..98ebc1c32ba02c2d41994a00cabc6d677a5a95fe 100644
--- a/content/browser/host_zoom_map.cc
+++ b/content/browser/host_zoom_map.cc
@@ -64,24 +64,6 @@ void HostZoomMap::Load() {
 
       bool success = host_zoom_dictionary->GetDoubleWithoutPathExpansion(
           host, &zoom_level);
-      if (!success) {
-        // The data used to be stored as ints, so try that.
-        int int_zoom_level;
-        success = host_zoom_dictionary->GetIntegerWithoutPathExpansion(
-            host, &int_zoom_level);
-        if (success) {
-          zoom_level = static_cast<double>(int_zoom_level);
-          // Since the values were once stored as non-clamped, clamp now.
-          double zoom_factor = WebView::zoomLevelToZoomFactor(zoom_level);
-          if (zoom_factor < WebView::minTextSizeMultiplier) {
-            zoom_level =
-                WebView::zoomFactorToZoomLevel(WebView::minTextSizeMultiplier);
-          } else if (zoom_factor > WebView::maxTextSizeMultiplier) {
-            zoom_level =
-                WebView::zoomFactorToZoomLevel(WebView::maxTextSizeMultiplier);
-          }
-        }
-      }
       DCHECK(success);
       host_zoom_levels_[host] = zoom_level;
     }