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

android_webview/browser/aw_devtools_manager_delegate.cc

Index: android_webview/browser/aw_devtools_manager_delegate.cc
diff --git a/android_webview/browser/aw_devtools_manager_delegate.cc b/android_webview/browser/aw_devtools_manager_delegate.cc
index 79e980550d099e1111d4088c27efea03e9353341..b57931cc6fa3d1dbe2d3a903dfb43140752ea510 100644
--- a/android_webview/browser/aw_devtools_manager_delegate.cc
+++ b/android_webview/browser/aw_devtools_manager_delegate.cc
@@ -24,13 +24,6 @@ AwDevToolsManagerDelegate::AwDevToolsManagerDelegate() {
 AwDevToolsManagerDelegate::~AwDevToolsManagerDelegate() {
 }
 
-void AwDevToolsManagerDelegate::Inspect(DevToolsAgentHost* agent_host) {
-}
-
-void AwDevToolsManagerDelegate::DevToolsAgentStateChanged(
-    DevToolsAgentHost* agent_host, bool attached) {
-}
-
 std::string AwDevToolsManagerDelegate::GetTargetDescription(
     RenderFrameHost* host) {
   content::WebContents* web_contents =