Add --enable-accelerated-filters to about:flags

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index 215a7d2c3389c4247b016541c10af1ad1c9ba1f9..d6966f5ad4595db2f54b4f6c2f28f228e360279c 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -4758,6 +4758,12 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_FLAGS_SHOW_FPS_COUNTER_DESCRIPTION" desc="Description of the 'Show FPS counter' lab.">
         Shows a page's actual frame rate, in frames per second, when hardware acceleration is active.
       </message>
+      <message name="IDS_FLAGS_ACCELERATED_FILTERS" desc="Name of the 'Accelerated CSS Filters' lab.">

[Stephen White, 2011/12/21 18:46:34]

I'd call it "Accelerated Filters" or "Accelerated SVG and CSS Filters", since it
applies to both.

[Nico, 2011/12/21 18:51:44]

Done.

+        GPU Accelerated CSS Filters
+      </message>
+      <message name="IDS_FLAGS_ACCELERATED_FILTERS_DESCRIPTION" desc="Description of the 'Show FPS counter' lab.">

[Stephen White, 2011/12/21 18:46:34]

Show FPS Counter -> Accelerated Filters.

[Nico, 2011/12/21 18:51:44]

:-( Done.

+        Use the GPU to accelerate rendering of css filters.

[Stephen White, 2011/12/21 18:46:34]

As above, "css filters" -> "SVG and CSS filters".

[Nico, 2011/12/21 18:51:44]

Done.

+      </message>
       <message name="IDS_FLAGS_COMPOSITE_TO_TEXTURE_NAME" desc="Name of the 'Offscreen Compositing' lab.">
         Composite to Texture
       </message>