Added an async automation message AutomationMsg_PrintAsync to asynchronously print a TabContents.

This is on the same lines as the existing sync message AutomationMsg_PrintNow

Review URL: http://codereview.chromium.org/149468

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@20484 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 13 insertions, 0 deletions

diff --git a/chrome/test/automation/automation_messages_internal.h b/chrome/test/automation/automation_messages_internal.h
index 1eac286..ac1b7deb 100644
--- a/chrome/test/automation/automation_messages_internal.h
+++ b/chrome/test/automation/automation_messages_internal.h
@@ -973,4 +973,7 @@ IPC_BEGIN_MESSAGES(Automation)
                       int /* request_id */,
                       URLRequestStatus /* status */)
 
+  IPC_MESSAGE_ROUTED1(AutomationMsg_PrintAsync,
+                      int /* tab_handle */)
+
 IPC_END_MESSAGES(Automation)
diff --git a/chrome/test/automation/tab_proxy.cc b/chrome/test/automation/tab_proxy.cc
index dea3a54..8d8ebf7 100644
--- a/chrome/test/automation/tab_proxy.cc
+++ b/chrome/test/automation/tab_proxy.cc
@@ -532,6 +532,13 @@ bool TabProxy::PrintNow() {
   return succeeded;
 }
 
+bool TabProxy::PrintAsync() {
+  if (!is_valid())
+    return false;
+
+  return sender_->Send(new AutomationMsg_PrintAsync(0, handle_));
+}
+
 bool TabProxy::SavePage(const std::wstring& file_name,
                         const std::wstring& dir_path,
                         SavePackage::SavePackageType type) {
diff --git a/chrome/test/automation/tab_proxy.h b/chrome/test/automation/tab_proxy.h
index 0f7bcc5..200c5f9 100644
--- a/chrome/test/automation/tab_proxy.h
+++ b/chrome/test/automation/tab_proxy.h
@@ -250,6 +250,9 @@ class TabProxy : public AutomationResourceProxy {
   // Prints the current page without user intervention.
   bool PrintNow();
 
+  // Sends off an asynchronous request for printing.
+  bool PrintAsync();
+
   // Save the current web page. |file_name| is the HTML file name, and
   // |dir_path| is the directory for saving resource files. |type| indicates
   // which type we're saving as: HTML only or the complete web page.