Convert //chrome/browser/extensions from scoped_ptr to std::unique_ptr

chrome/browser/extensions/api/tab_capture/tab_capture_api.cc

Index: chrome/browser/extensions/api/tab_capture/tab_capture_api.cc
diff --git a/chrome/browser/extensions/api/tab_capture/tab_capture_api.cc b/chrome/browser/extensions/api/tab_capture/tab_capture_api.cc
index 47e2e8c31faaffae0b44e63c8eca13a0b66af722..7bdc6cdd4f9d455b9bfd006b155948ce2b32b4ba 100644
--- a/chrome/browser/extensions/api/tab_capture/tab_capture_api.cc
+++ b/chrome/browser/extensions/api/tab_capture/tab_capture_api.cc
@@ -89,7 +89,7 @@ void FilterDeprecatedGoogConstraints(TabCapture::CaptureOptions* options) {
         bad_keys.push_back(it.key());
     }
     for (const std::string& k : bad_keys) {
-      scoped_ptr<base::Value> ignored;
+      std::unique_ptr<base::Value> ignored;
       dict->RemoveWithoutPathExpansion(k, &ignored);
     }
   };
@@ -198,7 +198,7 @@ const char* const kMediaRouterExtensionIds[] = {
 };
 
 bool TabCaptureCaptureFunction::RunSync() {
-  scoped_ptr<api::tab_capture::Capture::Params> params =
+  std::unique_ptr<api::tab_capture::Capture::Params> params =
       TabCapture::Capture::Params::Create(*args_);
   EXTENSION_FUNCTION_VALIDATE(params);
 
@@ -273,7 +273,7 @@ bool TabCaptureGetCapturedTabsFunction::RunSync() {
 }
 
 bool TabCaptureCaptureOffscreenTabFunction::RunSync() {
-  scoped_ptr<TabCapture::CaptureOffscreenTab::Params> params =
+  std::unique_ptr<TabCapture::CaptureOffscreenTab::Params> params =
       TabCapture::CaptureOffscreenTab::Params::Create(*args_);
   EXTENSION_FUNCTION_VALIDATE(params);