Delete flag --enable-css-transform-pinch.

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 8b1f8e985466a3194a7968a1ae47141fa6bdb2d3..ed2ff96259c8d0a0c3611454013fc6b9a6aa5070 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -647,21 +647,8 @@ WebPreferences WebContentsImpl::GetWebkitPrefs(RenderViewHost* rvh,
     prefs.max_untiled_layer_height =
         GetSwitchValueAsInt(command_line, switches::kMaxUntiledLayerHeight, 1);
 
-  // TODO(scottmg): Probably Native is wrong: http://crbug.com/133312
-  if (gfx::Screen::GetNativeScreen()->IsDIPEnabled()) {
-    // Only apply when using DIP coordinate system as this setting interferes
-    // with fixed layout mode.
-    // TODO(danakj): Fixed layout mode is going away, so turn this on always.
-    prefs.apply_default_device_scale_factor_in_compositor = true;
-  }
-
-  prefs.apply_page_scale_factor_in_compositor =
-      command_line.HasSwitch(switches::kEnablePinch);
-
-  if (command_line.HasSwitch(switches::kEnableCssTransformPinch)) {
-    prefs.apply_default_device_scale_factor_in_compositor = false;
-    prefs.apply_page_scale_factor_in_compositor = false;
-  }
+  prefs.apply_default_device_scale_factor_in_compositor = true;
+  prefs.apply_page_scale_factor_in_compositor = true;

[piman, 2013/02/01 00:25:09]

apply_page_scale_factor_in_compositor was only set when kEnablePinch was set.
Did you intend to change this?

I don't understand fully what the flags effect is, so double-checking

 
   prefs.per_tile_painting_enabled =
       command_line.HasSwitch(cc::switches::kEnablePerTilePainting);