Show D&D IPH dialog content when font size is set to largest

Right now, when the font size is set to largest in Accessibility
setting, the dialog content of the drag-and-drop IPH gets a little
clipped. This CL fixes this issue.

Bug: 1001147
Change-Id: I0d3c8fd30deba85a4cfc87d96a056bb901bc1848
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1788501Reviewed-by: Wei-Yin Chen (陳威尹) <wychen@chromium.org>
Commit-Queue: Yue Zhang <yuezhanggg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#695344}

chrome/android/features/tab_ui/java/res/layout/iph_drag_and_drop_dialog_layout.xml

@@ -5,7 +5,7 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="@dimen/tab_grid_iph_dialog_size"
-    android:layout_height="@dimen/tab_grid_iph_dialog_size"
+    android:layout_height="wrap_content"
     android:layout_gravity="center"
     android:orientation="vertical"
     android:background="@drawable/popup_bg_tinted"
@@ -14,35 +14,35 @@
     <ImageView
         android:id="@+id/animation_drawable"
         android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:layout_weight="5"
+        android:layout_height="@dimen/tab_grid_iph_dialog_animated_drawable_size"
         app:srcCompat="@drawable/iph_drag_and_drop_animated_drawable"
         android:contentDescription="@string/iph_drag_and_drop_content" />
     <TextView
         android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:layout_weight="2"
+        android:layout_height="wrap_content"
         android:layout_marginStart="32dp"
         android:layout_marginEnd="32dp"
+        android:layout_marginTop="16dp"
+        android:layout_marginBottom="16dp"
         android:text="@string/iph_drag_and_drop_title"
-        android:textAppearance="@style/TextAppearance.BlackHeadline"
-        android:gravity="center_vertical" />
+        android:textAppearance="@style/TextAppearance.BlackHeadline" />
     <TextView
         android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:layout_weight="1"
+        android:layout_height="wrap_content"
         android:layout_marginStart="32dp"
         android:layout_marginEnd="32dp"
+        android:layout_marginBottom="16dp"
         android:text="@string/iph_drag_and_drop_content"
         android:textAppearance="@style/TextAppearance.BlackBodyDefault"
         android:gravity="start" />
     <TextView
         android:id="@+id/iph_drag_and_drop_dialog_close_button"
         android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:layout_weight="1"
+        android:layout_height="wrap_content"
         android:layout_marginStart="32dp"
         android:layout_marginEnd="32dp"
+        android:layout_marginTop="16dp"
+        android:layout_marginBottom="16dp"
         android:text="@string/ok"
         android:textAppearance="@style/TextAppearance.BlueTitle2"
         android:gravity="end" />

chrome/android/features/tab_ui/java/res/values/dimens.xml

@@ -17,6 +17,7 @@
     <dimen name="tab_grid_iph_card_text_inset">16dp</dimen>
     <dimen name="tab_grid_iph_card_close_button_size">18dp</dimen>
     <dimen name="tab_grid_iph_dialog_size">370dp</dimen>
+    <dimen name="tab_grid_iph_dialog_animated_drawable_size">220dp</dimen>
     <dimen name="tab_grid_merge_threshold">45dp</dimen>
     <dimen name="tab_grid_thumbnail_card_default_size">152dp</dimen>
     <dimen name="tab_grid_thumbnail_favicon_frame_padding">16dp</dimen>