headless: Introduce a browser context

headless/lib/browser/headless_web_contents_impl.cc

Index: headless/lib/browser/headless_web_contents_impl.cc
diff --git a/headless/lib/browser/headless_web_contents_impl.cc b/headless/lib/browser/headless_web_contents_impl.cc
index 13ed5e1076c6626517f1e329687d6b4678a92286..2a05f773d11906d7b72f8902ae747b0f83ecd9e1 100644
--- a/headless/lib/browser/headless_web_contents_impl.cc
+++ b/headless/lib/browser/headless_web_contents_impl.cc
@@ -165,4 +165,33 @@ content::WebContents* HeadlessWebContentsImpl::web_contents() const {
   return web_contents_.get();
 }
 
+HeadlessWebContents::Builder::Builder(HeadlessBrowserImpl* browser)
+    : browser_(browser) {}
+
+HeadlessWebContents::Builder::~Builder() = default;
+
+HeadlessWebContents::Builder::Builder(Builder&&) = default;
+
+HeadlessWebContents::Builder& HeadlessWebContents::Builder::SetInitialURL(
+    const GURL& initial_url) {
+  initial_url_ = initial_url;
+  return *this;
+}
+
+HeadlessWebContents::Builder& HeadlessWebContents::Builder::SetWindowSize(
+    const gfx::Size& size) {
+  window_size_ = size;
+  return *this;
+}
+
+HeadlessWebContents::Builder& HeadlessWebContents::Builder::SetBrowserContext(
+    HeadlessBrowserContext* browser_context) {
+  browser_context_ = browser_context;
+  return *this;
+}
+
+HeadlessWebContents* HeadlessWebContents::Builder::Build() {
+  return browser_->CreateWebContents(this);
+}
+
 }  // namespace headless