Switch references to colorError

Test: make
Change-Id: I0ed10d78763642cecc5ba8e8e15a097d51280946

src/com/android/settings/datausage/ChartDataUsagePreference.java

@@ -50,11 +50,8 @@ public class ChartDataUsagePreference extends Preference {
     public ChartDataUsagePreference(Context context, AttributeSet attrs) {
         super(context, attrs);
         setSelectable(false);
-        // TODO: Resource.
-        mLimitColor = 0xfff4511e;
-        TypedArray a = context.getTheme().obtainStyledAttributes(
-                new int[]{android.R.attr.textColorSecondary});
-        mWarningColor = a.getColor(0, 0);
+        mLimitColor = Utils.getColorAttr(context, android.R.attr.colorError);
+        mWarningColor = Utils.getColorAttr(context, android.R.attr.textColorSecondary);
         setLayoutResource(R.layout.data_usage_graph);
     }
 

src/com/android/settings/deviceinfo/StorageSettings.java

@@ -76,7 +76,6 @@ public class StorageSettings extends SettingsPreferenceFragment implements Index
     private static final String TAG_DISK_INIT = "disk_init";
 
     static final int COLOR_PUBLIC = Color.parseColor("#ff9e9e9e");
-    static final int COLOR_WARNING = Color.parseColor("#fff4511e");
 
     static final int[] COLOR_PRIVATE = new int[] {
             Color.parseColor("#ff26a69a"),

src/com/android/settings/deviceinfo/StorageVolumePreference.java

@@ -32,6 +32,7 @@ import android.widget.ProgressBar;
 
 import com.android.settings.R;
 import com.android.settings.deviceinfo.StorageSettings.UnmountTask;
+import com.android.settingslib.Utils;
 
 import java.io.File;
 
@@ -83,7 +84,7 @@ public class StorageVolumePreference extends Preference {
             }
 
             if (freeBytes < mStorageManager.getStorageLowBytes(path)) {
-                mColor = StorageSettings.COLOR_WARNING;
+                mColor = Utils.getColorAttr(context, android.R.attr.colorError);
                 icon = context.getDrawable(R.drawable.ic_warning_24dp);
             }