[CQ] remove (legacy) Inspector state-persistence (flutter#8170)

Removes old state persistence from the Inspector (now in devtools).


---

- [x] I’ve reviewed the contributor guide and applied the relevant
portions to this PR.

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Author: pq

flutter-idea/src/io/flutter/view/InspectorView.java

@@ -9,7 +9,6 @@
 import com.intellij.ide.browsers.BrowserLauncher;
 import com.intellij.openapi.Disposable;
 import com.intellij.openapi.application.ApplicationManager;
-import com.intellij.openapi.components.PersistentStateComponent;
 import com.intellij.openapi.components.Storage;
 import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.progress.EmptyProgressIndicator;
@@ -43,7 +42,10 @@
 import io.flutter.sdk.FlutterSdkVersion;
 import io.flutter.settings.FlutterSettings;
 import io.flutter.toolwindow.InspectorViewToolWindowManagerListener;
-import io.flutter.utils.*;
+import io.flutter.utils.AsyncUtils;
+import io.flutter.utils.JxBrowserUtils;
+import io.flutter.utils.LabelInput;
+import io.flutter.utils.OpenApiUtils;
 import org.dartlang.vm.service.VmService;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -59,7 +61,7 @@
   name = "InspectorView",
   storages = {@Storage("$WORKSPACE_FILE$")}
 )
-public class InspectorView implements PersistentStateComponent<InspectorViewState>, Disposable {
+public class InspectorView implements Disposable {
   private static final Logger LOG = Logger.getInstance(InspectorView.class);
 
   public static final @NotNull String TOOL_WINDOW_ID = "Flutter Inspector";
@@ -71,13 +73,6 @@ public class InspectorView implements PersistentStateComponent<InspectorViewStat
   protected static final String DEVTOOLS_FAILED_LABEL = "Setting up DevTools failed.";
   protected static final int INSTALLATION_WAIT_LIMIT_SECONDS = 2000;
 
-  protected final @NotNull EventStream<Boolean> shouldAutoHorizontalScroll = new EventStream<>(InspectorViewState.AUTO_SCROLL_DEFAULT);
-  protected final @NotNull EventStream<Boolean> highlightNodesShownInBothTrees =
-    new EventStream<>(InspectorViewState.HIGHLIGHT_NODES_SHOWN_IN_BOTH_TREES_DEFAULT);
-
-  @NotNull
-  private final InspectorViewState state = new InspectorViewState();
-
   @VisibleForTesting
   @NotNull
   public final ViewUtils viewUtils;
@@ -106,35 +101,18 @@ protected InspectorView(@NotNull Project project,
     this.jxBrowserUtils = jxBrowserUtils;
     this.jxBrowserManager = jxBrowserManager;
     this.viewUtils = viewUtils != null ? viewUtils : new ViewUtils();
-
-    shouldAutoHorizontalScroll.listen(state::setShouldAutoScroll);
-    highlightNodesShownInBothTrees.listen(state::setHighlightNodesShownInBothTrees);
   }
 
   @Override
   public void dispose() {
     Disposer.dispose(this);
   }
 
-  @NotNull
-  @Override
-  public InspectorViewState getState() {
-    return state;
-  }
-
   @NotNull
   public Project getProject() {
     return myProject;
   }
 
-  @Override
-  public void loadState(@NotNull InspectorViewState state) {
-    this.state.copyFrom(state);
-
-    shouldAutoHorizontalScroll.setValue(this.state.getShouldAutoScroll());
-    highlightNodesShownInBothTrees.setValue(this.state.getHighlightNodesShownInBothTrees());
-  }
-
   void initToolWindow(@NotNull ToolWindow window) {
     if (window.isDisposed()) return;