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

android_webview/browser/aw_browser_main_parts.cc

Index: android_webview/browser/aw_browser_main_parts.cc
diff --git a/android_webview/browser/aw_browser_main_parts.cc b/android_webview/browser/aw_browser_main_parts.cc
index 769fcf4f1809914af4c08429e6271ae365f3e8a7..d30b07d66f5c564768a98f0d52257e4abbd4c54a 100644
--- a/android_webview/browser/aw_browser_main_parts.cc
+++ b/android_webview/browser/aw_browser_main_parts.cc
@@ -6,7 +6,6 @@
 
 #include "android_webview/browser/aw_browser_context.h"
 #include "android_webview/browser/aw_content_browser_client.h"
-#include "android_webview/browser/aw_dev_tools_discovery_provider.h"
 #include "android_webview/browser/aw_result_codes.h"
 #include "android_webview/browser/deferred_gpu_command_service.h"
 #include "android_webview/browser/net/aw_network_change_notifier_factory.h"
@@ -131,8 +130,6 @@ void AwBrowserMainParts::PreMainMessageLoopRun() {
   device::GeolocationProvider::SetGeolocationDelegate(
       new AwGeolocationDelegate());
 
-  AwDevToolsDiscoveryProvider::Install();
-
   content::RenderFrameHost::AllowInjectingJavaScriptForAndroidWebView();
 }