fix licenses + fix types in some tests

Author: mdebbar

ci/licenses_golden/licenses_flutter

@@ -526,6 +526,7 @@ FILE: ../../../flutter/lib/web_ui/lib/src/engine/services/message_codecs.dart
 FILE: ../../../flutter/lib/web_ui/lib/src/engine/services/serialization.dart
 FILE: ../../../flutter/lib/web_ui/lib/src/engine/shadow.dart
 FILE: ../../../flutter/lib/web_ui/lib/src/engine/test_embedding.dart
+FILE: ../../../flutter/lib/web_ui/lib/src/engine/text/canvas_paragraph.dart
 FILE: ../../../flutter/lib/web_ui/lib/src/engine/text/font_collection.dart
 FILE: ../../../flutter/lib/web_ui/lib/src/engine/text/line_break_properties.dart
 FILE: ../../../flutter/lib/web_ui/lib/src/engine/text/line_breaker.dart

lib/web_ui/lib/src/engine/text/paragraph.dart

@@ -183,7 +183,7 @@ abstract class EngineParagraph implements ui.Paragraph {
   /// Returns a DOM element that represents the entire paragraph and its
   /// children.
   ///
-  /// Generates a new DOM element on every invokation.
+  /// Generates a new DOM element on every invocation.
   html.HtmlElement toDomElement();
 }
 

lib/web_ui/test/text/measurement_test.dart

@@ -64,8 +64,8 @@ void testMain()  async {
     final ui.ParagraphStyle s3 = ui.ParagraphStyle(fontSize: 22.0);
 
     ParagraphGeometricStyle style1, style2, style3;
-    EngineParagraph style1Text1, style1Text2; // two paragraphs sharing style
-    EngineParagraph style2Text1, style3Text3;
+    DomParagraph style1Text1, style1Text2; // two paragraphs sharing style
+    DomParagraph style2Text1, style3Text3;
 
     setUp(() {
       style1Text1 = build(s1, '1');
@@ -481,7 +481,7 @@ void testMain()  async {
     testMeasurements(
       'wraps multi-line text correctly when constraint width is infinite',
       (TextMeasurementService instance) {
-        final EngineParagraph paragraph = build(ahemStyle, '123\n456 789');
+        final DomParagraph paragraph = build(ahemStyle, '123\n456 789');
         final MeasurementResult result =
             instance.measure(paragraph, infiniteConstraints);
 

lib/web_ui/test/text_test.dart

@@ -96,7 +96,7 @@ void testMain() async {
       fontSize: 14.0,
     ));
     builder.addText('How do you do this fine morning?');
-    final EngineParagraph paragraph = builder.build();
+    final DomParagraph paragraph = builder.build();
 
     expect(paragraph.paragraphElement.parent, isNull);
     expect(paragraph.height, 0.0);
@@ -162,7 +162,7 @@ void testMain() async {
       fontSize: 15.0,
     ));
     builder.addText('hi');
-    EngineParagraph paragraph = builder.build();
+    DomParagraph paragraph = builder.build();
     expect(paragraph.plainText, isNotNull);
     expect(paragraph.geometricStyle.fontWeight, FontWeight.normal);
 
@@ -189,7 +189,7 @@ void testMain() async {
     builder.addText('h');
     builder.pushStyle(TextStyle(fontWeight: FontWeight.bold));
     builder.addText('i');
-    final EngineParagraph paragraph = builder.build();
+    final DomParagraph paragraph = builder.build();
     expect(paragraph.plainText, isNull);
     expect(paragraph.geometricStyle.fontWeight, FontWeight.normal);
   });
@@ -202,7 +202,7 @@ void testMain() async {
       fontSize: 15.0,
     ));
     builder.pushStyle(TextStyle(fontWeight: FontWeight.bold));
-    final EngineParagraph paragraph = builder.build();
+    final DomParagraph paragraph = builder.build();
     expect(paragraph.plainText, '');
     expect(paragraph.geometricStyle.fontWeight, FontWeight.bold);
   });
@@ -223,7 +223,7 @@ void testMain() async {
     builder.addText(secondSpanText);
     builder.pushStyle(TextStyle(fontStyle: FontStyle.italic));
     builder.addText('followed by a link');
-    final EngineParagraph paragraph = builder.build();
+    final DomParagraph paragraph = builder.build();
     paragraph.layout(const ParagraphConstraints(width: 800.0));
     expect(paragraph.plainText, isNull);
     const int secondSpanStartPosition = firstSpanText.length;
@@ -371,7 +371,7 @@ void testMain() async {
     builder.pushStyle(TextStyle(fontSize: 30.0, fontWeight: FontWeight.normal));
     const String secondSpanText = 'def';
     builder.addText(secondSpanText);
-    final EngineParagraph paragraph = builder.build();
+    final DomParagraph paragraph = builder.build();
     paragraph.layout(const ParagraphConstraints(width: 800.0));
     expect(paragraph.plainText, isNull);
     final List<SpanElement> spans =
@@ -396,7 +396,7 @@ void testMain() async {
 
     builder.addText('Hello');
 
-    final EngineParagraph paragraph = builder.build();
+    final DomParagraph paragraph = builder.build();
     expect(paragraph.paragraphElement.style.fontFamily,
         'SomeFont, $fallback, sans-serif');
 
@@ -418,7 +418,7 @@ void testMain() async {
 
     builder.addText('Hello');
 
-    final EngineParagraph paragraph = builder.build();
+    final DomParagraph paragraph = builder.build();
     expect(paragraph.paragraphElement.style.fontFamily, 'serif');
 
     debugEmulateFlutterTesterEnvironment = true;
@@ -435,7 +435,7 @@ void testMain() async {
 
     builder.addText('Hello');
 
-    final EngineParagraph paragraph = builder.build();
+    final DomParagraph paragraph = builder.build();
     expect(paragraph.paragraphElement.style.fontFamily,
         '"MyFont 2000", $fallback, sans-serif');