[Contextual Search] Fix positioning of RTL promo.

chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/contextualsearch/ContextualSearchPanelBase.java

Index: chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/contextualsearch/ContextualSearchPanelBase.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/contextualsearch/ContextualSearchPanelBase.java b/chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/contextualsearch/ContextualSearchPanelBase.java
index 3c80f13aa82bee2e2e1871dd00852e61ff32c8ac..4fccfb7232cde2c7a0aa0df6f389f30c8caaa3d1 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/contextualsearch/ContextualSearchPanelBase.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/contextualsearch/ContextualSearchPanelBase.java
@@ -1410,7 +1410,12 @@ abstract class ContextualSearchPanelBase implements ContextualSearchPromoHost {
     public void showPromoViewAtYPosition(float y) {
         if (mPromoView == null || !isPromoVisible()) return;
 
-        mPromoView.setTranslationX(getOffsetX() / mPxToDp);
+        float offsetX = getOffsetX() / mPxToDp;
+        if (LocalizationUtils.isLayoutRtl()) {
+            offsetX = -offsetX;
+        }
+
+        mPromoView.setTranslationX(offsetX);
         mPromoView.setTranslationY(y);
         mPromoView.setVisibility(View.VISIBLE);