Hide find toolbar on entering fullscreen mode

chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java

Index: chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java b/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java
index 27ed0621558f3e1fc259a115c4ce9fa7050660f7..65b3c2de155889ffa663d29fcf428d4ac8e083a5 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java
@@ -369,6 +369,13 @@ public class ToolbarManager implements ToolbarTabController, UrlFocusChangeListe
             }
 
             @Override
+            public void onToggleFullscreenMode(Tab tab, boolean enable) {
+                if (mFindToolbarManager != null && enable) {
+                    mFindToolbarManager.hideToolbar();
+                }
+            }
+
+            @Override
             public void onContentChanged(Tab tab) {
                 mToolbar.onTabContentViewChanged();
                 if (shouldShowCusrsorInLocationBar()) {