Remove VizForWebView feature

Feature has launched, this is first step of removing old code.

Bug: 805739, 1202777
Change-Id: I36ba5106723a7e26f29109b89d072fdbb27783a3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2850436
Reviewed-by: Bo <boliu@chromium.org>
Commit-Queue: Vasiliy Telezhnikov <vasilyt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#876261}

android_webview/java/src/org/chromium/android_webview/common/ProductionSupportedFlagList.java

@@ -74,14 +74,13 @@ private ProductionSupportedFlagList() {}
                             + "(cookies without a SameSite attribute are treated as SameSite=Lax); "
                             + "2) Schemeful Same-Site (site boundaries include the URL scheme)."),
             Flag.baseFeature(GpuFeatures.WEBVIEW_VULKAN,
-                    "Use Vulkan for composite. Requires VizForWebView and Android device and "
-                            + "OS support. May crash if enabled on unsupported device."),
+                    "Use Vulkan for composite. Requires Android device and OS support. May crash "
+                            + "if enabled on unsupported device."),
             Flag.baseFeature(GpuFeatures.WEBVIEW_SURFACE_CONTROL,
-                    "Use SurfaceControl. Requires VizForWebView, WebViewZeroCopyVideo and Android "
-                            + "device and OS support."),
+                    "Use SurfaceControl. Requires WebViewZeroCopyVideo and Android device and OS "
+                            + "support."),
             Flag.baseFeature(GpuFeatures.WEBVIEW_ZERO_COPY_VIDEO,
                     "Avoid extra copy for video frames when possible"),
-            Flag.baseFeature(VizFeatures.VIZ_FOR_WEBVIEW, "Enables Viz for WebView."),
             Flag.baseFeature(
                     VizFeatures.WEBVIEW_VULKAN_INTERMEDIATE_BUFFER, "For debugging vulkan"),
             Flag.baseFeature(

components/viz/common/features.cc

@@ -65,10 +65,6 @@ const base::Feature kDynamicColorGamut{"DynamicColorGamut",
 const base::Feature kFastSolidColorDraw{"FastSolidColorDraw",
                                         base::FEATURE_DISABLED_BY_DEFAULT};
 
-// Viz for WebView architecture.
-const base::Feature kVizForWebView{"VizForWebView",
-                                   base::FEATURE_DISABLED_BY_DEFAULT};
-
 // We use this feature for default value, because enabled VizForWebView forces
 // skia renderer on and we want to have different feature state between webview
 // and chrome. This one is set by webview, while the above can be set via finch.
@@ -201,13 +197,6 @@ bool IsUsingVizForWebView() {
   if (features::IsUsingVulkan())
     return true;
 
-  // If the feature is overridden from command line or finch we will use this
-  // value. If not we check for different state that is altered in
-  // aw_main_delegate.cc.
-  base::FeatureList* feature_list = base::FeatureList::GetInstance();
-  if (feature_list && feature_list->IsFeatureOverridden(kVizForWebView.name))
-    return base::FeatureList::IsEnabled(kVizForWebView);
-
   return base::FeatureList::IsEnabled(kVizForWebViewDefault);
 }
 

testing/variations/fieldtrial_testing_config.json

@@ -7522,22 +7522,6 @@
             ]
         }
     ],
-    "VizForWebView": [
-        {
-            "platforms": [
-                "android_webview"
-            ],
-            "experiments": [
-                {
-                    "name": "Enabled",
-                    "enable_features": [
-                        "EnableSharedImageForWebview",
-                        "VizForWebView"
-                    ]
-                }
-            ]
-        }
-    ],
     "VizGLFastSolidColorDraw": [
         {
             "platforms": [