assistant: Remove IsScreenContextQueryEnabled

Remove unused code.

Bug: b/145218971
Test: manual
Change-Id: I54e08fc38e967517212b2f41fabe6bb872d17cf3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2067938
Commit-Queue: Tao Wu <wutao@chromium.org>
Reviewed-by: Xiaohui Chen <xiaohuic@chromium.org>
Cr-Commit-Position: refs/heads/master@{#743408}

chromeos/services/assistant/assistant_manager_service_impl.cc

@@ -1543,19 +1543,6 @@ void AssistantManagerServiceImpl::SendScreenContextRequest(
     ax::mojom::AssistantExtra* assistant_extra,
     ui::AssistantTree* assistant_tree,
     const std::vector<uint8_t>& assistant_screenshot) {
-  if (assistant::features::IsScreenContextQueryEnabled()) {
-    assistant_client::VoicelessOptions options;
-    options.is_user_initiated = true;
-
-    assistant_manager_internal_->SendTextQueryWithClientDiscourseContext(
-        kScreenContextQuery,
-        CreateContextProto(
-            AssistantBundle{assistant_extra_.get(), assistant_tree_.get()},
-            assistant_screenshot),
-        options);
-    return;
-  }
-
   std::vector<std::string> context_protos;
 
   // Screen context can have the assistant_extra and assistant_tree set to

chromeos/services/assistant/public/features.cc

@@ -98,12 +98,6 @@ const base::Feature kEnableTextQueriesWithClientDiscourseContext{
 const base::Feature kEnablePowerManager{"ChromeOSAssistantEnablePowerManager",
                                         base::FEATURE_DISABLED_BY_DEFAULT};
 
-// Enables sending a screen context request ("What's on my screen?" and
-// metalayer selection) as a text query. This is as opposed to sending
-// the request as a contextual cards request.
-const base::Feature kScreenContextQuery{"ChromeOSAssistantScreenContextQuery",
-                                        base::FEATURE_DISABLED_BY_DEFAULT};
-
 const base::Feature kEnableMediaSessionIntegration{
     "AssistantEnableMediaSessionIntegration",
     base::FEATURE_DISABLED_BY_DEFAULT};
@@ -194,10 +188,6 @@ bool IsRoutinesEnabled() {
   return base::FeatureList::IsEnabled(kAssistantRoutines);
 }
 
-bool IsScreenContextQueryEnabled() {
-  return base::FeatureList::IsEnabled(kScreenContextQuery);
-}
-
 bool IsStereoAudioInputEnabled() {
   return base::FeatureList::IsEnabled(kEnableStereoAudioInput) ||
          // Audio eraser requires 2 channel input.

chromeos/services/assistant/public/features.h

@@ -137,8 +137,6 @@ bool IsResponseProcessingV2Enabled();
 
 COMPONENT_EXPORT(ASSISTANT_SERVICE_PUBLIC) bool IsRoutinesEnabled();
 
-COMPONENT_EXPORT(ASSISTANT_SERVICE_PUBLIC) bool IsScreenContextQueryEnabled();
-
 COMPONENT_EXPORT(ASSISTANT_SERVICE_PUBLIC) bool IsStereoAudioInputEnabled();
 
 COMPONENT_EXPORT(ASSISTANT_SERVICE_PUBLIC) bool IsWarmerWelcomeEnabled();