[Home] Fix placeholder color for incognito

chrome/android/java/src/org/chromium/chrome/browser/widget/bottomsheet/BottomSheet.java

Index: chrome/android/java/src/org/chromium/chrome/browser/widget/bottomsheet/BottomSheet.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/widget/bottomsheet/BottomSheet.java b/chrome/android/java/src/org/chromium/chrome/browser/widget/bottomsheet/BottomSheet.java
index 41e99379aa30ff92c94a706b9c8d92f9e348a4c9..6d4ee5ef1254dcabd7f2731c54b43d72c58c742e 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/widget/bottomsheet/BottomSheet.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/widget/bottomsheet/BottomSheet.java
@@ -236,6 +236,11 @@ public class BottomSheet
         boolean isUsingLightToolbarTheme();
 
         /**
+         * @return Whether or not the content is themed for incognito (i.e. dark colors).
+         */
+        boolean isIncognitoThemedContent();
+
+        /**
          * @return The vertical scroll offset of the content view.
          */
         int getVerticalScrollOffset();
@@ -683,8 +688,12 @@ public class BottomSheet
 
         // Temporarily make the background of the toolbar holder a solid color so the transition
         // doesn't appear to show a hole in the toolbar.
-        mToolbarHolder.setBackgroundColor(
-                ApiCompatibilityUtils.getColor(getResources(), R.color.default_primary_color));
+        int colorId = content.isIncognitoThemedContent() ? R.color.incognito_primary_color
+                                                         : R.color.default_primary_color;
+        mToolbarHolder.setBackgroundColor(ApiCompatibilityUtils.getColor(getResources(), colorId));
+        mBottomSheetContentContainer.setBackgroundColor(
+                ApiCompatibilityUtils.getColor(getResources(), colorId));
+
         mContentSwapAnimatorSet.playTogether(animators);
         mContentSwapAnimatorSet.start();