Use a mock implementation of Platform::crypto() for layout tests.

content/shell/renderer/shell_content_renderer_client.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/shell/renderer/shell_content_renderer_client.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/debug/debugger.h"
 #include "content/public/common/content_constants.h"
@@ skipping 152 matching lines @@
 }
 
 WebClipboard* ShellContentRendererClient::OverrideWebClipboard() {
   if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kDumpRenderTree))
     return NULL;
   if (!clipboard_)
     clipboard_.reset(new MockWebClipboardImpl);
   return clipboard_.get();
 }
 
+WebKit::WebCrypto* ShellContentRendererClient::OverrideWebCrypto() {
+  if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kDumpRenderTree))
+    return NULL;
+  WebTestInterfaces* interfaces =
+      ShellRenderProcessObserver::GetInstance()->test_interfaces();
+  return interfaces->crypto();
+}
+
 WebHyphenator* ShellContentRendererClient::OverrideWebHyphenator() {
   if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kDumpRenderTree))
     return NULL;
   if (!hyphenator_)
     hyphenator_.reset(new webkit_glue::MockWebHyphenator);
   return hyphenator_.get();
 
 }
 
 WebThemeEngine* ShellContentRendererClient::OverrideThemeEngine() {
@@ skipping 20 matching lines @@
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableBrowserPluginForAllViewTypes)) {
     // Allow BrowserPlugin if forced by command line flag. This is generally
     // true for tests.
     return true;
   }
   return ContentRendererClient::AllowBrowserPlugin(container);
 }
 
 }  // namespace content