[Widget Inspector] Update Select Widget Mode icon (#9192)

Author: elliette

packages/devtools_app/lib/src/service/service_extensions.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file or at https://developers.google.com/open-source/licenses/bsd.
 
 import 'package:devtools_app_shared/service_extensions.dart' as extensions;
-import 'package:flutter/cupertino.dart' show CupertinoIcons;
 import 'package:flutter/material.dart';
 
 import '../shared/analytics/constants.dart' as gac;
@@ -436,6 +435,13 @@ final httpEnableTimelineLogging =
       tooltip: 'Toggle HTTP timeline logging',
     );
 
+/// The icon used for all "Select widget mode" buttons, both in DevTools and in
+/// the Flutter framework.
+///
+/// This is a generic unicode icon which lets us have one consistent icon across
+/// Material and Cupertino-styled apps.
+const selectWidgetModeIcon = IconData(0x1F74A);
+
 // Legacy extension to show the inspector and enable inspector select mode.
 final toggleOnDeviceWidgetInspector =
     ToggleableServiceExtensionDescription<bool>.from(
@@ -445,7 +451,7 @@ final toggleOnDeviceWidgetInspector =
       // toggling widget select mode as it is the only way to toggle that mode.
       title: 'Select Widget Mode',
       shortTitle: 'Select',
-      iconData: CupertinoIcons.cursor_rays,
+      iconData: selectWidgetModeIcon,
       gaScreenName: gac.inspector,
       gaItem: gac.showOnDeviceInspector,
       tooltip: 'Toggle select widget mode',
@@ -459,7 +465,7 @@ final toggleOnDeviceWidgetInspector =
 final toggleSelectWidgetMode = ToggleableServiceExtensionDescription<bool>.from(
   extensions.toggleSelectWidgetMode,
   title: 'Select widget mode',
-  iconData: CupertinoIcons.cursor_rays,
+  iconData: selectWidgetModeIcon,
   gaScreenName: gac.inspector,
   gaItem: gac.selectWidgetMode,
   tooltip: 'Toggle select widget mode',

packages/devtools_app/macos/Runner.xcodeproj/project.pbxproj

@@ -553,7 +553,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
@@ -632,7 +632,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
@@ -679,7 +679,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;

packages/devtools_app/pubspec.yaml

@@ -20,7 +20,6 @@ resolution: workspace
 dependencies:
   async: ^2.0.0
   collection: ^1.15.0
-  cupertino_icons: ^1.0.0
   dap: ^1.1.0
   dds_service_extensions: ^2.0.0
   devtools_app_shared: