Remove dependency on GURL from content/common/gpu

content/public/common/content_client.h

Index: content/public/common/content_client.h
diff --git a/content/public/common/content_client.h b/content/public/common/content_client.h
index eabd3da3396e9d562df5bd5a78322e14f0e7a1bb..4001ad613b7b40dbd60960b4f3808e40fe2a25e1 100644
--- a/content/public/common/content_client.h
+++ b/content/public/common/content_client.h
@@ -14,10 +14,9 @@
 #include "build/build_config.h"
 #include "content/common/content_export.h"
 #include "ui/base/layout.h"
+#include "url/gurl.h"
 #include "url/url_util.h"
 
-class GURL;
-
 namespace base {
 class RefCountedStaticMemory;
 }
@@ -80,6 +79,7 @@ class CONTENT_EXPORT ContentClient {
 
   // Sets the currently active URL.  Use GURL() to clear the URL.
   virtual void SetActiveURL(const GURL& url) {}
+  void SetActiveURL(const std::string& url);
 
   // Sets the data on the current gpu.
   virtual void SetGpuInfo(const gpu::GPUInfo& gpu_info) {}