PPAPI: Don't round zoom levels to the nearest integer.

BUG=106231
TEST=none

Review URL: http://codereview.chromium.org/8784008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@113034 0039d316-1c4b-4281-b951-d872f2087c98

webkit/plugins/ppapi/ppapi_plugin_instance.cc

@@ -1846,18 +1846,7 @@ void PluginInstance::ZoomChanged(PP_Instance instance, double factor) {
   // plugin.  If we're in an iframe, then don't do anything.
   if (!IsFullPagePlugin())
     return;
-
-  double zoom_level = WebView::zoomFactorToZoomLevel(factor);
-  // The conversino from zoom level to factor, and back, can introduce rounding
-  // errors.  i.e. WebKit originally tells us 3.0, but by the time we tell the
-  // plugin and it tells us back, the level becomes 3.000000000004.  Need to
-  // round or else otherwise if the user zooms out, it will go to 3.0 instead of
-  // 2.0.
-  int rounded =
-      static_cast<int>(zoom_level + (zoom_level > 0 ? 0.001 : -0.001));
-  if (abs(rounded - zoom_level) < 0.001)
-    zoom_level = rounded;
-  container()->zoomLevelChanged(zoom_level);
+  container()->zoomLevelChanged(WebView::zoomFactorToZoomLevel(factor));
 }
 
 void PluginInstance::ZoomLimitsChanged(PP_Instance instance,