[content shell] Enable editing commands from javascript for tests and universal access from file ur…

content/shell/shell_content_browser_client.cc

Index: content/shell/shell_content_browser_client.cc
diff --git a/content/shell/shell_content_browser_client.cc b/content/shell/shell_content_browser_client.cc
index 261e876217825886bc859850d7b33d34be33cd5a..c455fa96a6288dd9eb44c49f62c5399582ef5df9 100644
--- a/content/shell/shell_content_browser_client.cc
+++ b/content/shell/shell_content_browser_client.cc
@@ -17,6 +17,7 @@
 #include "content/shell/shell_web_contents_view_delegate_creator.h"
 #include "content/shell/webkit_test_runner_host.h"
 #include "googleurl/src/gurl.h"
+#include "webkit/glue/webpreferences.h"
 
 #if defined(OS_ANDROID)
 #include "base/android/path_utils.h"
@@ -53,6 +54,17 @@ void ShellContentBrowserClient::AppendExtraCommandLineSwitches(
     command_line->AppendSwitch(switches::kDumpRenderTree);
 }
 
+void ShellContentBrowserClient::OverrideWebkitPrefs(
+    RenderViewHost* render_view_host,
+    const GURL& url,
+    webkit_glue::WebPreferences* prefs) {
+  if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kDumpRenderTree))
+    return;
+  prefs->dom_paste_enabled = true;
+  prefs->javascript_can_access_clipboard = true;
+  prefs->allow_universal_access_from_file_urls = true;
+}
+
 void ShellContentBrowserClient::ResourceDispatcherHostCreated() {
   resource_dispatcher_host_delegate_.reset(
       new ShellResourceDispatcherHostDelegate());