Exposing set mutator in ChromecastConfigAndroid

Adding set method in ChromecastConfigAndroid which will be called by
native method.
This method will be called when prefs value is updated.

called when prefs value changes.

Test: Verified that the ChromecastConfigAndroid mutator function is
Bug: Internal b/77485825
Change-Id: Ie6021da906a7a87ec07a2d27e56c98ef75925bc4
Reviewed-on: https://chromium-review.googlesource.com/1045314Reviewed-by: Luke Halliwell <halliwell@chromium.org>
Commit-Queue: Shyamsundar Parthasarathy <shyamsundarp@chromium.org>
Cr-Commit-Position: refs/heads/master@{#556582}

chromecast/base/chromecast_config_android.cc

@@ -32,12 +32,17 @@ ChromecastConfigAndroid::~ChromecastConfigAndroid() {
 }
 
 bool ChromecastConfigAndroid::CanSendUsageStats() {
-  // TODO(gunsch): make opt-in.stats pref the source of truth for this data,
+  // TODO(sanfin): make opt-in.stats pref the source of truth for this data,
   // instead of Android prefs, then delete ChromecastConfigAndroid.
   JNIEnv* env = base::android::AttachCurrentThread();
   return Java_ChromecastConfigAndroid_canSendUsageStats(env);
 }
 
+void ChromecastConfigAndroid::SetSendUsageStats(bool enabled) {
+  JNIEnv* env = base::android::AttachCurrentThread();
+  Java_ChromecastConfigAndroid_setSendUsageStats(env, enabled);
+}
+
 // Registers a handler to be notified when SendUsageStats is changed.
 void ChromecastConfigAndroid::SetSendUsageStatsChangedCallback(
     base::RepeatingCallback<void(bool)> callback) {

chromecast/base/chromecast_config_android.h

@@ -22,6 +22,8 @@ class ChromecastConfigAndroid {
   // crash reports.
   bool CanSendUsageStats();
 
+  void SetSendUsageStats(bool enabled);
+
   // Registers a handler to be notified when SendUsageStats is changed.
   void SetSendUsageStatsChangedCallback(
       base::RepeatingCallback<void(bool)> callback);

chromecast/base/java/src/org/chromium/chromecast/base/ChromecastConfigAndroid.java

@@ -32,5 +32,10 @@ public final class ChromecastConfigAndroid {
         return sSettingsManager.isSendUsageStatsEnabled();
     }
 
+    @CalledByNative
+    public static void setSendUsageStats(boolean enabled) {
+        sSettingsManager.setSendUsageStatsEnabled(enabled);
+    }
+
     private static native void nativeSetSendUsageStatsEnabled(boolean enabled);
 }