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electron/patches/chromium/revert_remove_contentrender...

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: deepak1556 <hop2deep@gmail.com>
Date: Wed, 23 Oct 2019 15:30:18 -0700
Subject: Revert "Remove ContentRendererClient::ShouldFork."
This reverts commit 6b068eb8ca4a3c7350bdafa22fc0cf0636ef8b74.
diff --git a/chrome/renderer/chrome_content_renderer_client.cc b/chrome/renderer/chrome_content_renderer_client.cc
index 5a7ec36dea7b63ea4e93911bd7685e2ca02d6800..97f64db04fb7dcd29ac9b1310e41c2b6ebd8b0c4 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -1227,6 +1227,25 @@ bool ChromeContentRendererClient::AllowPopup() {
#endif
}
+bool ChromeContentRendererClient::ShouldFork(WebLocalFrame* frame,
+ const GURL& url,
+ const std::string& http_method,
+ bool is_initial_navigation,
+ bool is_server_redirect) {
+ DCHECK(!frame->Parent());
+
+ // If |url| matches one of the prerendered URLs, stop this navigation and try
+ // to swap in the prerendered page on the browser process. If the prerendered
+ // page no longer exists by the time the OpenURL IPC is handled, a normal
+ // navigation is attempted.
+ if (prerender_dispatcher_.get() &&
+ prerender_dispatcher_->IsPrerenderURL(url)) {
+ return true;
+ }
+
+ return false;
+}
+
void ChromeContentRendererClient::WillSendRequest(
WebLocalFrame* frame,
ui::PageTransition transition_type,
diff --git a/chrome/renderer/chrome_content_renderer_client.h b/chrome/renderer/chrome_content_renderer_client.h
index 63be9235f7f6c66f49698ec05fed8581caaddac5..d306846f872ee27a07a67f80fc4dd8740458e47c 100644
--- a/chrome/renderer/chrome_content_renderer_client.h
+++ b/chrome/renderer/chrome_content_renderer_client.h
@@ -137,6 +137,11 @@ class ChromeContentRendererClient
base::SingleThreadTaskRunner* compositor_thread_task_runner) override;
bool RunIdleHandlerWhenWidgetsHidden() override;
bool AllowPopup() override;
+ bool ShouldFork(blink::WebLocalFrame* frame,
+ const GURL& url,
+ const std::string& http_method,
+ bool is_initial_navigation,
+ bool is_server_redirect) override;
void WillSendRequest(blink::WebLocalFrame* frame,
ui::PageTransition transition_type,
const blink::WebURL& url,
diff --git a/content/public/renderer/content_renderer_client.cc b/content/public/renderer/content_renderer_client.cc
index ccd9c50b299b00936cce032b842e509eeb157ab0..ed275b4ab86fdad2af974746841111c7c231c04c 100644
--- a/content/public/renderer/content_renderer_client.cc
+++ b/content/public/renderer/content_renderer_client.cc
@@ -105,6 +105,14 @@ bool ContentRendererClient::HandleNavigation(
}
#endif
+bool ContentRendererClient::ShouldFork(blink::WebLocalFrame* frame,
+ const GURL& url,
+ const std::string& http_method,
+ bool is_initial_navigation,
+ bool is_server_redirect) {
+ return false;
+}
+
void ContentRendererClient::WillSendRequest(blink::WebLocalFrame* frame,
ui::PageTransition transition_type,
const blink::WebURL& url,
diff --git a/content/public/renderer/content_renderer_client.h b/content/public/renderer/content_renderer_client.h
index a05cef66facd477057fedb388e4000475bc76830..906920393c34043d19183064a2a4506c0a03e80d 100644
--- a/content/public/renderer/content_renderer_client.h
+++ b/content/public/renderer/content_renderer_client.h
@@ -212,6 +212,13 @@ class CONTENT_EXPORT ContentRendererClient {
bool is_redirect);
#endif
+ // Returns true if we should fork a new process for the given navigation.
+ virtual bool ShouldFork(blink::WebLocalFrame* frame,
+ const GURL& url,
+ const std::string& http_method,
+ bool is_initial_navigation,
+ bool is_server_redirect);
+
// Notifies the embedder that the given frame is requesting the resource at
// |url|. If the function returns a valid |new_url|, the request must be
// updated to use it. The |attach_same_site_cookies| output parameter
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index cbfec3c07d6e6bab8b77f9e6f9f9baf1e6ae4072..e93de34708dea401c6154282a410adc0abab46e4 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -6236,6 +6236,15 @@ void RenderFrameImpl::BeginNavigation(
int cumulative_bindings = RenderProcess::current()->GetEnabledBindings();
bool should_fork = HasWebUIScheme(url) || HasWebUIScheme(old_url) ||
(cumulative_bindings & kWebUIBindingsPolicyMask);
+
+ if (!should_fork) {
+ // Give the embedder a chance.
+ bool is_initial_navigation = render_view_->history_list_length_ == 0;
+ should_fork = GetContentClient()->renderer()->ShouldFork(
+ frame_, url, info->url_request.HttpMethod().Utf8(),
+ is_initial_navigation, false /* is_redirect */);
+ }
+
if (should_fork) {
OpenURL(std::move(info));
return; // Suppress the load here.
diff --git a/content/renderer/render_view_browsertest.cc b/content/renderer/render_view_browsertest.cc
index b8c9f30a3492696bf3f2eb1996e54f09b8ef32a3..913eadc2b3faf21ca579ca094a0e90ecade246c7 100644
--- a/content/renderer/render_view_browsertest.cc
+++ b/content/renderer/render_view_browsertest.cc
@@ -989,6 +989,73 @@ TEST_F(RenderViewImplTest, BeginNavigationForWebUI) {
FrameHostMsg_OpenURL::ID));
}
+class AlwaysForkingRenderViewTest : public RenderViewImplTest {
+ public:
+ ContentRendererClient* CreateContentRendererClient() override {
+ return new TestContentRendererClient;
+ }
+
+ private:
+ class TestContentRendererClient : public ContentRendererClient {
+ public:
+ bool ShouldFork(blink::WebLocalFrame* frame,
+ const GURL& url,
+ const std::string& http_method,
+ bool is_initial_navigation,
+ bool is_server_redirect) override {
+ return true;
+ }
+ };
+};
+
+TEST_F(AlwaysForkingRenderViewTest, BeginNavigationDoesNotForkEmptyUrl) {
+ GURL example_url("http://example.com");
+ GURL empty_url("");
+
+ LoadHTMLWithUrlOverride("<body></body", example_url.spec().c_str());
+ EXPECT_EQ(example_url,
+ GURL(frame()->GetWebFrame()->GetDocumentLoader()->GetUrl()));
+
+ // Empty url should never fork.
+ blink::WebURLRequest request(empty_url);
+ request.SetMode(network::mojom::RequestMode::kNavigate);
+ request.SetRedirectMode(network::mojom::RedirectMode::kManual);
+ request.SetRequestContext(blink::mojom::RequestContextType::INTERNAL);
+ request.SetRequestorOrigin(blink::WebSecurityOrigin::Create(example_url));
+ auto navigation_info = std::make_unique<blink::WebNavigationInfo>();
+ navigation_info->url_request = request;
+ navigation_info->frame_type =
+ network::mojom::RequestContextFrameType::kTopLevel;
+ navigation_info->navigation_policy = blink::kWebNavigationPolicyCurrentTab;
+ frame()->BeginNavigation(std::move(navigation_info));
+ EXPECT_FALSE(render_thread_->sink().GetUniqueMessageMatching(
+ FrameHostMsg_OpenURL::ID));
+}
+
+TEST_F(AlwaysForkingRenderViewTest, BeginNavigationDoesNotForkAboutBlank) {
+ GURL example_url("http://example.com");
+ GURL blank_url(url::kAboutBlankURL);
+
+ LoadHTMLWithUrlOverride("<body></body", example_url.spec().c_str());
+ EXPECT_EQ(example_url,
+ GURL(frame()->GetWebFrame()->GetDocumentLoader()->GetUrl()));
+
+ // about:blank should never fork.
+ blink::WebURLRequest request(blank_url);
+ request.SetMode(network::mojom::RequestMode::kNavigate);
+ request.SetRedirectMode(network::mojom::RedirectMode::kManual);
+ request.SetRequestContext(blink::mojom::RequestContextType::INTERNAL);
+ request.SetRequestorOrigin(blink::WebSecurityOrigin::Create(example_url));
+ auto navigation_info = std::make_unique<blink::WebNavigationInfo>();
+ navigation_info->url_request = request;
+ navigation_info->frame_type =
+ network::mojom::RequestContextFrameType::kTopLevel;
+ navigation_info->navigation_policy = blink::kWebNavigationPolicyCurrentTab;
+ frame()->BeginNavigation(std::move(navigation_info));
+ EXPECT_FALSE(render_thread_->sink().GetUniqueMessageMatching(
+ FrameHostMsg_OpenURL::ID));
+}
+
// This test verifies that when device emulation is enabled, RenderFrameProxy
// continues to receive the original ScreenInfo and not the emualted
// ScreenInfo.
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