Make it possible to launch content_shell.exe with an URL on the command line.

content/shell/shell_browser_main.cc

Index: content/shell/shell_browser_main.cc
===================================================================
--- content/shell/shell_browser_main.cc	(revision 110974)
+++ content/shell/shell_browser_main.cc	(working copy)
@@ -5,6 +5,7 @@
 #include "content/shell/shell_browser_main.h"
 
 #include "base/bind.h"
+#include "base/command_line.h"
 #include "base/message_loop.h"
 #include "base/threading/thread.h"
 #include "base/threading/thread_restrictions.h"
@@ -20,6 +21,15 @@
 
 namespace content {
 
+static GURL GetStartupURL() {
+  const CommandLine::StringVector& args =
+      CommandLine::ForCurrentProcess()->GetArgs();
+  if (args.empty())
+    return GURL("http://www.google.com/");
+
+  return GURL(args[0]);
+}
+
 ShellBrowserMainParts::ShellBrowserMainParts(
     const content::MainFunctionParams& parameters)
     : BrowserMainParts() {
@@ -71,7 +81,7 @@
   net::NetModule::SetResourceProvider(Shell::PlatformResourceProvider);
 
   Shell::CreateNewWindow(browser_context_.get(),
-                         GURL("http://www.google.com"),
+                         GetStartupURL(),
                          NULL,
                          MSG_ROUTING_NONE,
                          NULL);