Improve GPU process URL crash reporting

content/browser/renderer_host/image_transport_factory.cc

Index: content/browser/renderer_host/image_transport_factory.cc
diff --git a/content/browser/renderer_host/image_transport_factory.cc b/content/browser/renderer_host/image_transport_factory.cc
index d51113dda34bfd241aa30032f05fe67d747fc5ad..ed510e75039cb4e037b6333b87413b41dddf2373 100644
--- a/content/browser/renderer_host/image_transport_factory.cc
+++ b/content/browser/renderer_host/image_transport_factory.cc
@@ -349,7 +349,7 @@ class GpuProcessTransportFactory : public ui::ContextFactory,
     scoped_ptr<WebGraphicsContext3DCommandBufferImpl> context(
         new WebGraphicsContext3DCommandBufferImpl(
             offscreen ? 0 : data->surface_id,
-            GURL(),
+            GURL("GpuProcessTransportFactory::CreateContextCommon"),
             factory,
             data->swap_client->AsWeakPtr()));
     if (!context->Initialize(
@@ -371,7 +371,7 @@ class GpuProcessTransportFactory : public ui::ContextFactory,
     attrs.shareResources = true;
     data->shared_context.reset(new WebGraphicsContext3DCommandBufferImpl(
           0,
-          GURL(),
+          GURL("GpuProcessTransportFactory::CreateSharedContext"),
           factory,
           data->swap_client->AsWeakPtr()));
     if (!data->shared_context->Initialize(