4e1b7bc33d
The methodology used to generate this CL is documented in https://crbug.com/1098010#c34. No-Try: true No-Presubmit: true Bug: 1098010 Change-Id: I8c0f009d16350271f07d8e5e561085822cc9dd27 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3895935 Owners-Override: Avi Drissman <avi@chromium.org> Reviewed-by: Mark Mentovai <mark@chromium.org> Commit-Queue: Mark Mentovai <mark@chromium.org> Auto-Submit: Avi Drissman <avi@chromium.org> Cr-Commit-Position: refs/heads/main@{#1047456}
69 lines
2.5 KiB
C++
69 lines
2.5 KiB
C++
// Copyright 2020 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef CONTENT_RENDERER_VARIATIONS_RENDER_THREAD_OBSERVER_H_
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#define CONTENT_RENDERER_VARIATIONS_RENDER_THREAD_OBSERVER_H_
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#include <string>
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#include <vector>
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#include "components/variations/variations.mojom.h"
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#include "content/common/renderer_variations_configuration.mojom.h"
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#include "content/public/renderer/render_thread_observer.h"
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#include "mojo/public/cpp/bindings/associated_receiver.h"
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#include "mojo/public/cpp/bindings/pending_associated_receiver.h"
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#include "mojo/public/cpp/bindings/pending_receiver.h"
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#include "mojo/public/cpp/bindings/receiver.h"
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#include "third_party/blink/public/common/loader/url_loader_throttle.h"
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#include "url/origin.h"
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namespace content {
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// This is the renderer side of the FieldTrialSynchronizer which applies
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// field trial group settings.
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class VariationsRenderThreadObserver
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: public content::RenderThreadObserver,
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public mojom::RendererVariationsConfiguration {
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public:
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VariationsRenderThreadObserver();
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VariationsRenderThreadObserver(const VariationsRenderThreadObserver&) =
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delete;
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VariationsRenderThreadObserver& operator=(
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const VariationsRenderThreadObserver&) = delete;
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~VariationsRenderThreadObserver() override;
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// Appends throttles if the browser has sent a variations header to the
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// renderer. |top_frame_origin| is for the top frame of a request-initiating
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// frame.
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static void AppendThrottleIfNeeded(
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const url::Origin& top_frame_origin,
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std::vector<std::unique_ptr<blink::URLLoaderThrottle>>* throttles);
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// content::RenderThreadObserver:
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void RegisterMojoInterfaces(
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blink::AssociatedInterfaceRegistry* associated_interfaces) override;
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void UnregisterMojoInterfaces(
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blink::AssociatedInterfaceRegistry* associated_interfaces) override;
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// content::mojom::RendererConfiguration:
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void SetVariationsHeaders(
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variations::mojom::VariationsHeadersPtr variations_headers) override;
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void SetFieldTrialGroup(const std::string& trial_name,
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const std::string& group_name) override;
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private:
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mojo::AssociatedReceiver<mojom::RendererVariationsConfiguration>
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renderer_configuration_receiver_{this};
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void OnRendererConfigurationAssociatedRequest(
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mojo::PendingAssociatedReceiver<mojom::RendererVariationsConfiguration>
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receiver);
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};
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} // namespace content
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#endif // CONTENT_RENDERER_VARIATIONS_RENDER_THREAD_OBSERVER_H_
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