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

chrome/browser/BUILD.gn

Index: chrome/browser/BUILD.gn
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 2f12bea1f5400c72688d450bdaa823979ba3f47c..904a7e1e642c46ea26cb1a6b21d998cc1891cdb0 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -1263,7 +1263,6 @@ split_static_library("browser") {
     "//components/data_use_measurement/content",
     "//components/data_use_measurement/core",
     "//components/device_event_log",
-    "//components/devtools_http_handler",
     "//components/dom_distiller/content/browser",
     "//components/domain_reliability",
     "//components/error_page/common",
@@ -2991,10 +2990,10 @@ split_static_library("browser") {
       "android/data_usage/external_data_use_reporter.h",
       "android/data_usage/tab_data_use_entry.cc",
       "android/data_usage/tab_data_use_entry.h",
-      "android/dev_tools_server.cc",
-      "android/dev_tools_server.h",
       "android/devtools_manager_delegate_android.cc",
       "android/devtools_manager_delegate_android.h",
+      "android/devtools_server.cc",
+      "android/devtools_server.h",
       "android/document/document_web_contents_delegate.cc",
       "android/dom_distiller/distiller_ui_handle_android.cc",
       "android/dom_distiller/distiller_ui_handle_android.h",