[Autofill Assistant] Fix progress animations.

Before this CL, progress animations worked on debug builds but not on
release builds. I suspect that it was because of ProGuard or some other
mechanism that stripped away some classes/reflection information
previously used by the ObjectAnimators (which only knew about the name
of the property to set during the animation).

This CL fixes progress animations by defining progress and color
properties to use in the ObjectAnimators.

Change-Id: Idcfe71e63547672d42bf50274fd838b9efcd48ad
Reviewed-on: https://chromium-review.googlesource.com/c/1312477Reviewed-by: Stephane Zermatten <szermatt@chromium.org>
Commit-Queue: Jordan Demeulenaere <jdemeulenaere@chromium.org>
Cr-Commit-Position: refs/heads/master@{#604554}

chrome/android/java/src/org/chromium/chrome/browser/autofill_assistant/AnimatedProgressBar.java

@@ -9,6 +9,7 @@ import android.animation.AnimatorListenerAdapter;
 import android.animation.ArgbEvaluator;
 import android.animation.ObjectAnimator;
 import android.animation.ValueAnimator;
+import android.util.Property;
 import android.view.View;
 
 import org.chromium.chrome.browser.compositor.layouts.ChromeAnimation;
@@ -22,8 +23,36 @@ import java.util.Queue;
  * pulsing.
  */
 public class AnimatedProgressBar {
-    private static final String PROGRESS_PROPERTY_NAME = "progress";
-    private static final String PROGRESS_COLOR_PROPERTY_NAME = "progressColor";
+    // TODO(806868): Move these properties into MaterialProgressBar.java.
+    private static final Property<MaterialProgressBar, Integer> PROGRESS_PROPERTY =
+            new Property<MaterialProgressBar, Integer>(Integer.class, "progress") {
+                @Override
+                public Integer get(MaterialProgressBar progressBar) {
+                    // TODO(806868): Implement get once this property is moved into
+                    // MaterialProgressBar.java.
+                    throw new UnsupportedOperationException();
+                }
+
+                @Override
+                public void set(MaterialProgressBar progressBar, Integer progress) {
+                    progressBar.setProgress(progress);
+                }
+            };
+
+    private static final Property<MaterialProgressBar, Integer> COLOR_PROPERTY =
+            new Property<MaterialProgressBar, Integer>(Integer.class, "progressColor") {
+                @Override
+                public Integer get(MaterialProgressBar progressBar) {
+                    // TODO(806868): Implement get once this property is moved into
+                    // MaterialProgressBar.java.
+                    throw new UnsupportedOperationException();
+                }
+
+                @Override
+                public void set(MaterialProgressBar progressBar, Integer progressColor) {
+                    progressBar.setProgressColor(progressColor);
+                }
+            };
 
     // The number of ms the progress bar would take to go from 0 to 100%.
     private static final int PROGRESS_BAR_SPEED_MS = 3_000;
@@ -54,8 +83,8 @@ public class AnimatedProgressBar {
 
     public void setProgress(int progress) {
         if (progress > mLastProgress) {
-            ObjectAnimator progressAnimation = ObjectAnimator.ofInt(
-                    mProgressBar, PROGRESS_PROPERTY_NAME, mLastProgress, progress);
+            ObjectAnimator progressAnimation =
+                    ObjectAnimator.ofInt(mProgressBar, PROGRESS_PROPERTY, mLastProgress, progress);
             progressAnimation.setDuration(PROGRESS_BAR_SPEED_MS * (progress - mLastProgress) / 100);
             progressAnimation.setInterpolator(ChromeAnimation.getAccelerateInterpolator());
             progressAnimation.addListener(new AnimatorListenerAdapter() {
@@ -82,8 +111,8 @@ public class AnimatedProgressBar {
 
     public void enablePulsing() {
         if (mPulseAnimation == null) {
-            mPulseAnimation = ObjectAnimator.ofInt(
-                    mProgressBar, PROGRESS_COLOR_PROPERTY_NAME, mNormalColor, mPulsedColor);
+            mPulseAnimation =
+                    ObjectAnimator.ofInt(mProgressBar, COLOR_PROPERTY, mNormalColor, mPulsedColor);
             mPulseAnimation.setDuration(PROGRESS_BAR_PULSING_DURATION_MS);
             mPulseAnimation.setEvaluator(new ArgbEvaluator());
             mPulseAnimation.setRepeatCount(ValueAnimator.INFINITE);