Define DevTools content API

content/browser/debugger/render_view_devtools_agent_host.cc

Index: content/browser/debugger/render_view_devtools_agent_host.cc
diff --git a/content/browser/debugger/render_view_devtools_agent_host.cc b/content/browser/debugger/render_view_devtools_agent_host.cc
index 53467b2aadce1b93bf305ceb8d831d91547e284d..9fa0f6fefb23782fbe72820266a501761977cce2 100644
--- a/content/browser/debugger/render_view_devtools_agent_host.cc
+++ b/content/browser/debugger/render_view_devtools_agent_host.cc
@@ -13,6 +13,7 @@
 #include "content/browser/site_instance.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/common/devtools_messages.h"
+#include "content/public/browser/devtools/devtools_agent_host_registry.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
@@ -25,6 +26,23 @@ base::LazyInstance<Instances,
     g_instances = LAZY_INSTANCE_INITIALIZER;
 }  // namespace
 
+
+namespace content {
+
+// static
+DevToolsAgentHost* DevToolsAgentHostRegistry::GetDevToolsAgentHost(
+    RenderViewHost* rvh) {
+  return RenderViewDevToolsAgentHost::FindFor(rvh);
+}
+
+// static
+DevToolsAgentHost* DevToolsAgentHostRegistry::FindDevToolsAgentHost(
+    RenderViewHost* rvh) {
+  return GetDevToolsAgentHost(rvh);
+}
+
+}  // namespace
+
 DevToolsAgentHost* RenderViewDevToolsAgentHost::FindFor(
     RenderViewHost* rvh) {
   Instances::iterator it = g_instances.Get().find(rvh);