Add a default share button to the menu of Custom Tabs

chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabActivity.java

Index: chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabActivity.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabActivity.java b/chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabActivity.java
index e58462f52805e47167f41743d9b6b210717a30a3..ed6ceb13024854a90181b1fc199fb3ced285872c 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabActivity.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabActivity.java
@@ -357,7 +357,8 @@ public class CustomTabActivity extends ChromeActivity {
 
     @Override
     protected AppMenuPropertiesDelegate createAppMenuPropertiesDelegate() {
-        return new CustomTabAppMenuPropertiesDelegate(this, mIntentDataProvider.getMenuTitles());
+        return new CustomTabAppMenuPropertiesDelegate(this, mIntentDataProvider.getMenuTitles(),
+                mIntentDataProvider.shouldShowShareButton());
     }
 
     @Override
@@ -442,7 +443,7 @@ public class CustomTabActivity extends ChromeActivity {
     public boolean onOptionsItemSelected(MenuItem item) {
         int menuIndex = getAppMenuPropertiesDelegate().getIndexOfMenuItem(item);
         if (menuIndex >= 0) {
-            mIntentDataProvider.clickMenuItemWithUrl(getApplicationContext(), menuIndex,
+            mIntentDataProvider.clickMenuItemWithUrl(this, menuIndex,
                     getTabModelSelector().getCurrentTab().getUrl());
             RecordUserAction.record("CustomTabsMenuCustomMenuItem");
             return true;