Add --enable-accelerated-filters flag to Chrome. This is the chrome-side...

Add --enable-accelerated-filters flag to Chrome.  This is the chrome-side change corresponding to http://trac.webkit.org/changeset/102088.  Note that most of this is the result of blind devotion to cargo cult, based on code for other flags.

BUG=none
TEST=none
Review URL: http://codereview.chromium.org/8822025

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@113388 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/tab_contents/render_view_host_delegate_helper.cc

@@ -460,6 +460,9 @@ WebPreferences RenderViewHostDelegateHelper::GetWebkitPrefs(
     web_prefs.accelerated_drawing_enabled =
         GpuProcessHost::gpu_enabled() &&
         command_line.HasSwitch(switches::kEnableAcceleratedDrawing);
+    web_prefs.accelerated_filters_enabled =
+        GpuProcessHost::gpu_enabled() &&
+        command_line.HasSwitch(switches::kEnableAcceleratedFilters);
     web_prefs.accelerated_layers_enabled =
         !command_line.HasSwitch(switches::kDisableAcceleratedLayers);
     web_prefs.composite_to_texture_enabled =

content/common/view_messages.h

@@ -218,6 +218,7 @@ IPC_STRUCT_TRAITS_BEGIN(WebPreferences)
   IPC_STRUCT_TRAITS_MEMBER(fixed_position_compositing_enabled)
   IPC_STRUCT_TRAITS_MEMBER(accelerated_2d_canvas_enabled)
   IPC_STRUCT_TRAITS_MEMBER(accelerated_drawing_enabled)
+  IPC_STRUCT_TRAITS_MEMBER(accelerated_filters_enabled)
   IPC_STRUCT_TRAITS_MEMBER(accelerated_plugins_enabled)
   IPC_STRUCT_TRAITS_MEMBER(accelerated_layers_enabled)
   IPC_STRUCT_TRAITS_MEMBER(accelerated_video_enabled)

content/public/common/content_switches.cc

@@ -172,6 +172,9 @@ const char kEnableAccelerated2dCanvas[]     = "enable-accelerated-2d-canvas";
 // in build/features_override.gypi.
 const char kEnableAcceleratedDrawing[]      = "enable-accelerated-drawing";
 
+// Enable gpu-accelerated SVG/W3C filters.
+const char kEnableAcceleratedFilters[]      = "enable-accelerated-filters";
+
 // Enables WebKit accessibility within the renderer process.
 const char kEnableAccessibility[]           = "enable-accessibility";
 

content/public/common/content_switches.h

@@ -65,6 +65,7 @@ CONTENT_EXPORT extern const char kDisableWebAudio[];
 extern const char kDisableWebSockets[];
 extern const char kEnableAccelerated2dCanvas[];
 CONTENT_EXPORT extern const char kEnableAcceleratedDrawing[];
+CONTENT_EXPORT extern const char kEnableAcceleratedFilters[];
 extern const char kEnableAccessibility[];
 extern const char kEnableAccessibilityLogging[];
 CONTENT_EXPORT extern const char kEnableCompositingForFixedPosition[];

webkit/glue/webpreferences.cc

@@ -85,6 +85,7 @@ WebPreferences::WebPreferences()
       accelerated_video_enabled(false),
       accelerated_2d_canvas_enabled(false),
       accelerated_drawing_enabled(false),
+      accelerated_filters_enabled(false),
       accelerated_plugins_enabled(false),
       memory_info_enabled(false),
       interactive_form_validation_enabled(true),
@@ -280,6 +281,9 @@ void WebPreferences::Apply(WebView* web_view) const {
   // Enable gpu-accelerated drawing if requested on the command line.
   settings->setAcceleratedDrawingEnabled(accelerated_drawing_enabled);
 
+  // Enable gpu-accelerated filters if requested on the command line.
+  settings->setAcceleratedFiltersEnabled(accelerated_filters_enabled);
+
   // Enabling accelerated layers from the command line enabled accelerated
   // 3D CSS, Video, and Animations.
   settings->setAcceleratedCompositingFor3DTransformsEnabled(

webkit/glue/webpreferences.h

@@ -99,6 +99,7 @@ struct WEBKIT_GLUE_EXPORT WebPreferences {
   bool accelerated_video_enabled;
   bool accelerated_2d_canvas_enabled;
   bool accelerated_drawing_enabled;
+  bool accelerated_filters_enabled;
   bool accelerated_plugins_enabled;
   bool memory_info_enabled;
   bool interactive_form_validation_enabled;