Revert of headless: Allow protocol handler customization

headless/test/headless_browser_test.cc

Index: headless/test/headless_browser_test.cc
diff --git a/headless/test/headless_browser_test.cc b/headless/test/headless_browser_test.cc
index d308fbead5842407acbc9488a97a1262e48dcc4c..380ccd7a28642277040a118c05977807c05e4b58 100644
--- a/headless/test/headless_browser_test.cc
+++ b/headless/test/headless_browser_test.cc
@@ -15,7 +15,6 @@
 #include "headless/lib/headless_content_main_delegate.h"
 #include "headless/public/domains/network.h"
 #include "headless/public/domains/page.h"
-#include "headless/public/domains/runtime.h"
 #include "headless/public/headless_devtools_client.h"
 #include "headless/public/headless_devtools_target.h"
 #include "headless/public/headless_web_contents.h"
@@ -68,43 +67,6 @@
   DISALLOW_COPY_AND_ASSIGN(WaitForLoadObserver);
 };
 
-class EvaluateHelper {
- public:
-  EvaluateHelper(HeadlessBrowserTest* browser_test,
-                 HeadlessWebContents* web_contents,
-                 const std::string& script_to_eval)
-      : browser_test_(browser_test),
-        web_contents_(web_contents),
-        devtools_client_(HeadlessDevToolsClient::Create()) {
-    web_contents_->GetDevToolsTarget()->AttachClient(devtools_client_.get());
-    devtools_client_->GetRuntime()->Evaluate(
-        script_to_eval,
-        base::Bind(&EvaluateHelper::OnEvaluateResult, base::Unretained(this)));
-  }
-
-  ~EvaluateHelper() {
-    web_contents_->GetDevToolsTarget()->DetachClient(devtools_client_.get());
-  }
-
-  void OnEvaluateResult(std::unique_ptr<runtime::EvaluateResult> result) {
-    result_ = std::move(result);
-    browser_test_->FinishAsynchronousTest();
-  }
-
-  std::unique_ptr<runtime::EvaluateResult> TakeResult() {
-    return std::move(result_);
-  }
-
- private:
-  HeadlessBrowserTest* browser_test_;  // Not owned.
-  HeadlessWebContents* web_contents_;  // Not owned.
-  std::unique_ptr<HeadlessDevToolsClient> devtools_client_;
-
-  std::unique_ptr<runtime::EvaluateResult> result_;
-
-  DISALLOW_COPY_AND_ASSIGN(EvaluateHelper);
-};
-
 }  // namespace
 
 HeadlessBrowserTest::HeadlessBrowserTest() {
@@ -152,14 +114,6 @@
   return observer.navigation_succeeded();
 }
 
-std::unique_ptr<runtime::EvaluateResult> HeadlessBrowserTest::EvaluateScript(
-    HeadlessWebContents* web_contents,
-    const std::string& script) {
-  EvaluateHelper helper(this, web_contents, script);
-  RunAsynchronousTest();
-  return helper.TakeResult();
-}
-
 void HeadlessBrowserTest::RunAsynchronousTest() {
   base::MessageLoop::ScopedNestableTaskAllower nestable_allower(
       base::MessageLoop::current());