Implement window.print() on Android

chrome/android/java/src/org/chromium/chrome/browser/Tab.java

Index: chrome/android/java/src/org/chromium/chrome/browser/Tab.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/Tab.java b/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
index 85e6fa621fb0e095931fa9693396aec39f2b706f..22e57caf8a130c567b17c4b95d60961bedf0e1c6 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
@@ -26,6 +26,7 @@ import org.chromium.chrome.browser.contextmenu.EmptyChromeContextMenuItemDelegat
 import org.chromium.chrome.browser.dom_distiller.DomDistillerFeedbackReporter;
 import org.chromium.chrome.browser.infobar.AutoLoginProcessor;
 import org.chromium.chrome.browser.infobar.InfoBarContainer;
+import org.chromium.chrome.browser.printing.TabPrinter;
 import org.chromium.chrome.browser.profiles.Profile;
 import org.chromium.chrome.browser.toolbar.ToolbarModel;
 import org.chromium.content.browser.ContentView;
@@ -34,6 +35,9 @@ import org.chromium.content.browser.ContentViewCore;
 import org.chromium.content.browser.WebContentsObserver;
 import org.chromium.content_public.browser.LoadUrlParams;
 import org.chromium.content_public.browser.WebContents;
+import org.chromium.printing.PrintManagerDelegateImpl;
+import org.chromium.printing.PrintingController;
+import org.chromium.printing.PrintingControllerImpl;
 import org.chromium.ui.base.Clipboard;
 import org.chromium.ui.base.WindowAndroid;
 import org.chromium.ui.gfx.DeviceDisplayInfo;
@@ -554,6 +558,15 @@ public class Tab {
         return nativePrint(mNativeTabAndroid);
     }
 
+    @CalledByNative
+    public void setPendingPrint() {
+        PrintingController printingController = PrintingControllerImpl.getInstance();
+        if (printingController != null) {
+            printingController.setPendingPrint(new TabPrinter(this),
+                    new PrintManagerDelegateImpl(mContext));
+        }
+    }
+
     /**
      * Reloads the current page content.
      */