[canvaskit] Revert to drawImage rendering on Chrome 110 or earlier (flutter/engine#48515)

This updates a fix for Chrome 110 and earlier to always activate, not
just on Windows.

Fixes https://github.com/flutter/flutter/issues/138827

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above.
- [x] I added new tests to check the change I am making or feature I am
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instructions on writing and running engine tests.
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engine/src/flutter/lib/web_ui/lib/src/engine/browser_detection.dart

@@ -206,35 +206,33 @@ bool get isIOS15 {
       domWindow.navigator.userAgent.contains('OS 15_');
 }
 
-/// Detect if running on Chrome version 110 or older on Windows.
+/// Detect if running on Chrome version 110 or older.
 ///
-/// These versions of Chrome have a bug on Windows which causes
-/// rendering to be flipped upside down.
+/// These versions of Chrome have a bug which causes rendering to be flipped
+/// upside down when using `createImageBitmap`: see
+/// https://chromium.googlesource.com/chromium/src/+/a7f9b00e422a1755918f8ca5500380f98b6fddf2
 // TODO(harryterkelsen): Remove this check once we stop supporting Chrome 110
 // and earlier, https://github.com/flutter/flutter/issues/139186.
-bool get isChrome110OrOlderOnWindows {
-  if (debugIsChrome110OrOlderOnWindows != null) {
-    return debugIsChrome110OrOlderOnWindows!;
+bool get isChrome110OrOlder {
+  if (debugIsChrome110OrOlder != null) {
+    return debugIsChrome110OrOlder!;
   }
-  if (_cachedIsChrome110OrOlderOnWindows != null) {
-    return _cachedIsChrome110OrOlderOnWindows!;
-  }
-  if (operatingSystem != OperatingSystem.windows) {
-    return _cachedIsChrome110OrOlderOnWindows = false;
+  if (_cachedIsChrome110OrOlder != null) {
+    return _cachedIsChrome110OrOlder!;
   }
   final RegExp chromeRegexp = RegExp(r'Chrom(e|ium)\/([0-9]+)\.');
   final RegExpMatch? match =
       chromeRegexp.firstMatch(domWindow.navigator.userAgent);
   if (match != null) {
     final int chromeVersion = int.parse(match.group(2)!);
-    return _cachedIsChrome110OrOlderOnWindows = chromeVersion <= 110;
+    return _cachedIsChrome110OrOlder = chromeVersion <= 110;
   }
-  return _cachedIsChrome110OrOlderOnWindows = false;
+  return _cachedIsChrome110OrOlder = false;
 }
 
 // Cache the result of checking if the app is running on Chrome 110 on Windows
 // since we check this on every frame.
-bool? _cachedIsChrome110OrOlderOnWindows;
+bool? _cachedIsChrome110OrOlder;
 
 /// If set to true pretends that the current browser is iOS Safari.
 ///
@@ -267,7 +265,7 @@ bool get isWasm => const bool.fromEnvironment('dart.library.ffi');
 bool? debugIsIOS15;
 
 /// Use in tests to simulated the detection of Chrome 110 or older on Windows.
-bool? debugIsChrome110OrOlderOnWindows;
+bool? debugIsChrome110OrOlder;
 
 int? _cachedWebGLVersion;
 

engine/src/flutter/lib/web_ui/lib/src/engine/dom.dart

@@ -3674,7 +3674,7 @@ bool debugDisableCreateImageBitmapSupport = false;
 
 bool get browserSupportsCreateImageBitmap =>
     _createImageBitmapFunction != null &&
-    !isChrome110OrOlderOnWindows &&
+    !isChrome110OrOlder &&
     !debugDisableCreateImageBitmapSupport;
 
 @JS()

engine/src/flutter/lib/web_ui/test/canvaskit/no_create_image_bitmap_test.dart

@@ -24,7 +24,7 @@ void testMain() {
 
     tearDown(() {
       debugDisableCreateImageBitmapSupport = false;
-      debugIsChrome110OrOlderOnWindows = null;
+      debugIsChrome110OrOlder = null;
     });
 
     test('can render without createImageBitmap', () async {
@@ -69,7 +69,7 @@ void testMain() {
     test(
         'createImageBitmap support is disabled on '
         'Windows on Chrome version 110 or older', () async {
-      debugIsChrome110OrOlderOnWindows = true;
+      debugIsChrome110OrOlder = true;
       debugDisableCreateImageBitmapSupport = false;
 
       expect(browserSupportsCreateImageBitmap, isFalse);