Start moving code from BrowserMain to content, so that it can be reused by all embedders of conte...

content/browser/mock_content_browser_client.cc

Index: content/browser/mock_content_browser_client.cc
===================================================================
--- content/browser/mock_content_browser_client.cc	(revision 99756)
+++ content/browser/mock_content_browser_client.cc	(working copy)
@@ -19,6 +19,11 @@
 MockContentBrowserClient::~MockContentBrowserClient() {
 }
 
+BrowserMainParts* MockContentBrowserClient::CreateBrowserMainParts(
+    const MainFunctionParams& parameters) {
+  return NULL;
+}
+
 TabContentsView* MockContentBrowserClient::CreateTabContentsView(
     TabContents* tab_contents) {
   return new TestTabContentsView;