Move title creation logic to native

chrome/android/java/src/org/chromium/chrome/browser/compositor/LayerTitleCache.java

Index: chrome/android/java/src/org/chromium/chrome/browser/compositor/LayerTitleCache.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/compositor/LayerTitleCache.java b/chrome/android/java/src/org/chromium/chrome/browser/compositor/LayerTitleCache.java
index 5a7fc237baec1a08bd8f6407f7669a0ef148f8c1..7f3f5236bf9459353876c376608302d00a2f0f45 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/compositor/LayerTitleCache.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/compositor/LayerTitleCache.java
@@ -18,6 +18,7 @@ import org.chromium.chrome.browser.favicon.FaviconHelper;
 import org.chromium.chrome.browser.favicon.FaviconHelper.FaviconImageCallback;
 import org.chromium.chrome.browser.profiles.Profile;
 import org.chromium.chrome.browser.tab.Tab;
+import org.chromium.chrome.browser.tabmodel.TabModelSelector;
 import org.chromium.chrome.browser.util.ColorUtils;
 import org.chromium.ui.base.DeviceFormFactor;
 import org.chromium.ui.resources.ResourceManager;
@@ -33,6 +34,8 @@ public class LayerTitleCache implements TitleCache {
     private static int sNextResourceId = 1;
 
     private final Context mContext;
+    private TabModelSelector mTabModelSelector;
+
     private final SparseArray<Title> mTitles = new SparseArray<Title>();
     private final int mFaviconSize;
 
@@ -83,11 +86,25 @@ public class LayerTitleCache implements TitleCache {
         mNativeLayerTitleCache = 0;
     }
 
+    public void setTabModelSelector(TabModelSelector tabModelSelector) {
+        mTabModelSelector = tabModelSelector;
+    }
+
     @CalledByNative
     private long getNativePtr() {
         return mNativeLayerTitleCache;
     }
 
+    @CalledByNative
+    private void buildUpdatedTitle(int tabId) {
+        if (mTabModelSelector == null) return;
+
+        Tab tab = mTabModelSelector.getTabById(tabId);
+        if (tab == null) return;
+
+        getUpdatedTitle(tab, "");
+    }
+
     @Override
     public String getUpdatedTitle(Tab tab, String defaultTitle) {
         // If content view core is null, tab does not have direct access to the favicon, and we