Emit user gesture in headless::Request.

Change-Id: Ia8e9d19cede1e02193f4864d2c7fbc27685194b0
Reviewed-on: https://chromium-review.googlesource.com/969750
Commit-Queue: Alex Clarke <alexclarke@chromium.org>
Reviewed-by: Alex Clarke <alexclarke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#544309}

headless/public/util/generic_url_request_job.cc

@@ -339,6 +339,12 @@ bool GenericURLRequestJob::IsBrowserSideFetch() const {
   return request_resource_info_->GetFrameTreeNodeId() != -1;
 }
 
+bool GenericURLRequestJob::HasUserGesture() const {
+  if (!request_resource_info_)
+    return false;
+  return request_resource_info_->HasUserGesture();
+}
+
 namespace {
 void CompletionCallback(int* dest, base::Closure* quit_closure, int value) {
   *dest = value;

headless/public/util/generic_url_request_job.h

@@ -87,6 +87,8 @@ class HEADLESS_EXPORT Request {
   // Whether or not an asynchronous IPC was used to load this resource.
   virtual bool IsAsync() const = 0;
 
+  virtual bool HasUserGesture() const = 0;
+
  protected:
   Request() {}
   virtual ~Request() {}
@@ -165,6 +167,7 @@ class HEADLESS_EXPORT GenericURLRequestJob
   uint64_t GetPostDataSize() const override;
   ResourceType GetResourceType() const override;
   bool IsAsync() const override;
+  bool HasUserGesture() const override;
   bool IsBrowserSideFetch() const override;
 
  private: