DevTools: untangle device discovery request from the devtools android bridge.

chrome/browser/devtools/chrome_devtools_manager_delegate.h

Index: chrome/browser/devtools/chrome_devtools_manager_delegate.h
diff --git a/chrome/browser/devtools/chrome_devtools_manager_delegate.h b/chrome/browser/devtools/chrome_devtools_manager_delegate.h
index 036b13477d3b490aea3c4dd060f8174e8c7471e1..578ab08d1b095c3b474417158092c72d27ac5dec 100644
--- a/chrome/browser/devtools/chrome_devtools_manager_delegate.h
+++ b/chrome/browser/devtools/chrome_devtools_manager_delegate.h
@@ -11,6 +11,10 @@
 #include "base/macros.h"
 #include "content/public/browser/devtools_manager_delegate.h"
 
+namespace content {
+class BrowserContext;
+}
+
 class DevToolsNetworkProtocolHandler;
 
 class ChromeDevToolsManagerDelegate : public content::DevToolsManagerDelegate {
@@ -23,7 +27,8 @@ class ChromeDevToolsManagerDelegate : public content::DevToolsManagerDelegate {
   ~ChromeDevToolsManagerDelegate() override;
 
   // content::DevToolsManagerDelegate implementation.
-  void Inspect(content::DevToolsAgentHost* agent_host) override;
+  void Inspect(content::DevToolsAgentHost* agent_host,
+               content::BrowserContext* context) override;
   void DevToolsAgentStateChanged(content::DevToolsAgentHost* agent_host,
                                  bool attached) override;
   base::DictionaryValue* HandleCommand(