[Autofill Assistant] Adjusted text bubble padding.

Bug: b/163423875
Change-Id: Id8c08771d851888551949fedca9e216a68bd2ab1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2346651
Commit-Queue: Clemens Arbesser <arbesser@google.com>
Commit-Queue: Mathias Carlen <mcarlen@chromium.org>
Auto-Submit: Clemens Arbesser <arbesser@google.com>
Reviewed-by: Mathias Carlen <mcarlen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#796763}

chrome/android/features/autofill_assistant/java/res/layout/autofill_assistant_bottom_sheet_content.xml

@@ -8,7 +8,7 @@
     android:clickable="true"
     android:layout_height="wrap_content"
     android:layout_width="match_parent"
-    android:paddingTop="12dp"
+    android:paddingTop="@dimen/autofill_assistant_root_view_top_padding"
     android:orientation="vertical">
     <org.chromium.components.browser_ui.widget.FadingEdgeScrollView
         android:id="@+id/scrollable_content"

chrome/android/features/autofill_assistant/java/res/values-v17/dimens.xml

@@ -50,4 +50,6 @@
     <dimen name="autofill_assistant_form_line_height_1">48dp</dimen>
     <dimen name="autofill_assistant_form_line_height_2">64dp</dimen>
     <dimen name="autofill_assistant_form_line_height_3">88dp</dimen>
+
+    <dimen name="autofill_assistant_root_view_top_padding">12dp</dimen>
 </resources>

chrome/android/features/autofill_assistant/java/src/org/chromium/chrome/browser/autofill_assistant/header/AssistantHeaderViewBinder.java

@@ -33,6 +33,9 @@
 class AssistantHeaderViewBinder
         implements PropertyModelChangeProcessor.ViewBinder<AssistantHeaderModel,
                 AssistantHeaderViewBinder.ViewHolder, PropertyKey> {
+    /** The amount of space to put between the top of the sheet and the bottom of the bubble.*/
+    private static final int TEXT_BUBBLE_PIXELS_ABOVE_SHEET = 4;
+
     /**
      * A wrapper class that holds the different views of the header.
      */
@@ -190,10 +193,15 @@ private void showOrDismissBubble(AssistantHeaderModel model, ViewHolder view) {
             return;
         }
         View poodle = view.mPoodle.getView();
+        ViewRectProvider anchorRectProvider = new ViewRectProvider(poodle);
+        int topOffset = view.mContext.getResources().getDimensionPixelSize(
+                                R.dimen.autofill_assistant_root_view_top_padding)
+                + TEXT_BUBBLE_PIXELS_ABOVE_SHEET;
+        anchorRectProvider.setInsetPx(0, -topOffset, 0, 0);
         view.mTextBubble = new TextBubble(
                 /*context = */ view.mContext, /*rootView = */ poodle, /*contentString = */ message,
                 /*accessibilityString = */ message, /*showArrow = */ true,
-                /*anchorRectProvider = */ new ViewRectProvider(poodle),
+                /*anchorRectProvider = */ anchorRectProvider,
                 ChromeAccessibilityUtil.get().isAccessibilityEnabled());
         view.mTextBubble.setDismissOnTouchInteraction(true);
         view.mTextBubble.show();