DevTools: merge devtools_http_handler into content - it is used in all the embedders anyways.

content/browser/devtools/render_frame_devtools_agent_host.cc

Index: content/browser/devtools/render_frame_devtools_agent_host.cc
diff --git a/content/browser/devtools/render_frame_devtools_agent_host.cc b/content/browser/devtools/render_frame_devtools_agent_host.cc
index 04cede818c6fe7e20c52fd67dc8f8a3c969f8a2e..d55be9332960e615fff19a921da7e285e6ffdad2 100644
--- a/content/browser/devtools/render_frame_devtools_agent_host.cc
+++ b/content/browser/devtools/render_frame_devtools_agent_host.cc
@@ -904,6 +904,9 @@ std::string RenderFrameDevToolsAgentHost::GetTitle() {
 }
 
 std::string RenderFrameDevToolsAgentHost::GetDescription() {
+  DevToolsManager* manager = DevToolsManager::GetInstance();
+  if (manager->delegate())
+    return manager->delegate()->GetTargetDescription(current_->host());
   return "";
 }