DevTools: allow inspecting browsers using custom front-ends.

chrome/browser/devtools/device/devtools_android_bridge.cc

Index: chrome/browser/devtools/device/devtools_android_bridge.cc
diff --git a/chrome/browser/devtools/device/devtools_android_bridge.cc b/chrome/browser/devtools/device/devtools_android_bridge.cc
index 5fefecc91fd06be14e3a306811c07f953321afba..bdc15715ff20be3595c5d52e360e51a0df64422d 100644
--- a/chrome/browser/devtools/device/devtools_android_bridge.cc
+++ b/chrome/browser/devtools/device/devtools_android_bridge.cc
@@ -56,6 +56,7 @@ const char kNewPageRequest[] = "GET /json/new HTTP/1.1\r\n\r\n";
 const char kNewPageRequestWithURL[] = "GET /json/new?%s HTTP/1.1\r\n\r\n";
 const char kActivatePageRequest[] =
     "GET /json/activate/%s HTTP/1.1\r\n\r\n";
+const char kBrowserTargetSocket[] = "/devtools/browser";
 const int kAdbPollingIntervalMs = 1000;
 
 const char kUrlParam[] = "url";
@@ -1036,6 +1037,12 @@ void DevToolsAndroidBridge::RemoteBrowser::Open(
                             this, callback));
 }
 
+scoped_refptr<content::DevToolsAgentHost>
+DevToolsAndroidBridge::RemoteBrowser::GetAgentHost() {
+  return AgentHostDelegate::GetOrCreateAgentHost(
+      "adb:" + serial_ + ":" + socket_, this, kBrowserTargetSocket);
+}
+
 void DevToolsAndroidBridge::RemoteBrowser::RespondToOpenOnUIThread(
     const DevToolsAndroidBridge::RemotePageCallback& callback,
     int result,