Remove all blimp engine code

blimp/engine/session/tab.cc

Index: blimp/engine/session/tab.cc
diff --git a/blimp/engine/session/tab.cc b/blimp/engine/session/tab.cc
deleted file mode 100644
index 4373994fed2db92ab5c093004069ceeb539b9818..0000000000000000000000000000000000000000
--- a/blimp/engine/session/tab.cc
+++ /dev/null
@@ -1,218 +0,0 @@
-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "blimp/engine/session/tab.h"
-
-#include "base/strings/utf_string_conversions.h"
-#include "base/trace_event/trace_event.h"
-#include "blimp/common/create_blimp_message.h"
-#include "blimp/common/proto/blimp_message.pb.h"
-#include "blimp/common/proto/render_widget.pb.h"
-#include "blimp/common/proto/tab_control.pb.h"
-#include "blimp/engine/common/blimp_user_agent.h"
-#include "blimp/engine/feature/engine_render_widget_feature.h"
-#include "blimp/net/blimp_message_processor.h"
-#include "content/public/browser/navigation_controller.h"
-#include "content/public/browser/navigation_entry.h"
-#include "content/public/browser/render_view_host.h"
-#include "content/public/browser/render_widget_host.h"
-#include "content/public/browser/render_widget_host_view.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/common/form_field_data.h"
-#include "content/public/common/renderer_preferences.h"
-#include "ui/aura/window.h"
-#include "ui/gfx/geometry/size.h"
-
-namespace blimp {
-namespace engine {
-
-Tab::Tab(std::unique_ptr<content::WebContents> web_contents,
-         const int tab_id,
-         EngineRenderWidgetFeature* render_widget_feature,
-         BlimpMessageProcessor* navigation_message_sender)
-    : web_contents_(std::move(web_contents)),
-      tab_id_(tab_id),
-      render_widget_feature_(render_widget_feature),
-      navigation_message_sender_(navigation_message_sender),
-      page_load_tracker_(web_contents_.get(), this),
-      current_form_request_id_(0),
-      weak_factory_(this) {
-  DCHECK(render_widget_feature_);
-  DCHECK(navigation_message_sender_);
-
-  // A Tab is created upon client's request, thus an updated
-  // user agent info (containing client OS info) is available, and we will use
-  // that to override user agent string from BlimpContentRendererClient.
-  web_contents_->SetUserAgentOverride(GetBlimpEngineUserAgent());
-
-  render_widget_feature_->SetDelegate(tab_id_, this);
-
-  Observe(web_contents_.get());
-}
-
-Tab::~Tab() {
-  render_widget_feature_->RemoveDelegate(tab_id_);
-}
-
-void Tab::Resize(float device_pixel_ratio, const gfx::Size& size_in_dips) {
-  DVLOG(1) << "Resize to " << size_in_dips.ToString() << ", "
-           << device_pixel_ratio;
-  web_contents_->GetNativeView()->SetBounds(gfx::Rect(size_in_dips));
-
-  if (web_contents_->GetRenderViewHost() &&
-      web_contents_->GetRenderViewHost()->GetWidget()) {
-    web_contents_->GetRenderViewHost()->GetWidget()->WasResized();
-  }
-}
-
-void Tab::LoadUrl(const GURL& url) {
-  TRACE_EVENT1("blimp", "Tab::LoadUrl", "URL", url.spec());
-  DVLOG(1) << "Load URL " << url << " in tab " << tab_id_;
-  if (!url.is_valid()) {
-    VLOG(1) << "Dropping invalid URL " << url;
-    return;
-  }
-
-  content::NavigationController::LoadURLParams params(url);
-  params.transition_type = ui::PageTransitionFromInt(
-      ui::PAGE_TRANSITION_TYPED | ui::PAGE_TRANSITION_FROM_ADDRESS_BAR);
-  params.override_user_agent = content::NavigationController::UA_OVERRIDE_TRUE;
-  web_contents_->GetController().LoadURLWithParams(params);
-  web_contents_->Focus();
-}
-
-void Tab::GoBack() {
-  if (!web_contents_->GetController().CanGoBack()) {
-    DLOG(ERROR) << "Ignoring back in tab " << tab_id_;
-    return;
-  }
-  DVLOG(1) << "Back in tab " << tab_id_;
-  web_contents_->GetController().GoBack();
-}
-
-void Tab::GoForward() {
-  if (!web_contents_->GetController().CanGoForward()) {
-    DLOG(ERROR) << "Ignoring forward in tab " << tab_id_;
-    return;
-  }
-  DVLOG(1) << "Forward in tab " << tab_id_;
-  web_contents_->GetController().GoForward();
-}
-
-void Tab::Reload() {
-  DVLOG(1) << "Reload in tab " << tab_id_;
-  web_contents_->GetController().Reload(content::ReloadType::NORMAL, true);
-}
-
-void Tab::RenderViewCreated(content::RenderViewHost* render_view_host) {
-  DCHECK(render_view_host);
-  web_contents_->GetMutableRendererPrefs()->caret_blink_interval = 0;
-  render_view_host->SyncRendererPrefs();
-
-  render_widget_feature_->OnRenderWidgetCreated(tab_id_,
-                                                render_view_host->GetWidget());
-}
-
-void Tab::RenderViewHostChanged(content::RenderViewHost* old_host,
-                                content::RenderViewHost* new_host) {
-  render_widget_feature_->OnRenderWidgetInitialized(tab_id_,
-                                                    new_host->GetWidget());
-}
-
-void Tab::RenderViewDeleted(content::RenderViewHost* render_view_host) {
-  render_widget_feature_->OnRenderWidgetDeleted(tab_id_,
-                                                render_view_host->GetWidget());
-}
-
-void Tab::NavigationStateChanged(content::InvalidateTypes changed_flags) {
-  DCHECK(changed_flags);
-
-  NavigationMessage* navigation_message;
-  std::unique_ptr<BlimpMessage> message =
-      CreateBlimpMessage(&navigation_message, tab_id_);
-  navigation_message->set_type(NavigationMessage::NAVIGATION_STATE_CHANGED);
-  NavigationStateChangeMessage* details =
-      navigation_message->mutable_navigation_state_changed();
-
-  if (changed_flags & content::InvalidateTypes::INVALIDATE_TYPE_URL)
-    details->set_url(web_contents_->GetURL().spec());
-
-  if (changed_flags & content::InvalidateTypes::INVALIDATE_TYPE_TAB) {
-    // TODO(dtrainor): Serialize the favicon? crbug.com/597094.
-    DVLOG(3) << "Tab favicon changed";
-  }
-
-  if (changed_flags & content::InvalidateTypes::INVALIDATE_TYPE_TITLE)
-    details->set_title(base::UTF16ToUTF8(web_contents_->GetTitle()));
-
-  if (changed_flags & content::InvalidateTypes::INVALIDATE_TYPE_LOAD)
-    details->set_loading(web_contents_->IsLoading());
-
-  navigation_message_sender_->ProcessMessage(std::move(message),
-                                             net::CompletionCallback());
-}
-
-void Tab::SendPageLoadStatusUpdate(PageLoadStatus load_status) {
-  NavigationMessage* navigation_message = nullptr;
-  std::unique_ptr<BlimpMessage> message =
-      CreateBlimpMessage(&navigation_message, tab_id_);
-  navigation_message->set_type(NavigationMessage::NAVIGATION_STATE_CHANGED);
-  navigation_message->mutable_navigation_state_changed()
-      ->set_page_load_completed(load_status == PageLoadStatus::LOADED);
-
-  navigation_message_sender_->ProcessMessage(std::move(message),
-                                             net::CompletionCallback());
-}
-
-void Tab::OnWebGestureEvent(content::RenderWidgetHost* render_widget_host,
-                            std::unique_ptr<blink::WebGestureEvent> event) {
-  TRACE_EVENT1("blimp", "Tab::OnWebGestureEvent", "type", event->type());
-  render_widget_host->ForwardGestureEvent(*event);
-}
-
-void Tab::ShowTextInputUI() {
-  current_form_request_id_++;
-  content::FormFieldDataCallback callback =
-      base::Bind(&Tab::ProcessTextInputInfo, weak_factory_.GetWeakPtr(),
-                 current_form_request_id_);
-
-  content::RenderFrameHost* focused_frame = web_contents()->GetFocusedFrame();
-  if (focused_frame) {
-    focused_frame->RequestFocusedFormFieldData(callback);
-  }
-}
-
-void Tab::HideTextInputUI() {
-  current_form_request_id_++;
-  render_widget_feature_->SendHideImeRequest(
-      tab_id(),
-      web_contents()->GetRenderWidgetHostView()->GetRenderWidgetHost());
-}
-
-void Tab::ProcessTextInputInfo(int request_id,
-                               const content::FormFieldData& field) {
-  if (field.text_input_type == ui::TEXT_INPUT_TYPE_NONE)
-    return;
-
-  // Discard the results for old requests.
-  if (request_id < current_form_request_id_) {
-    return;
-  }
-
-  // TODO(shaktisahu): Remove adding RenderWidgetHost info to the proto.
-  render_widget_feature_->SendShowImeRequest(
-      tab_id(),
-      web_contents()->GetRenderWidgetHostView()->GetRenderWidgetHost(), field);
-}
-
-void Tab::OnCompositorMessageReceived(
-    content::RenderWidgetHost* render_widget_host,
-    const std::vector<uint8_t>& message) {
-  TRACE_EVENT0("blimp", "Tab::OnCompositorMessageReceived");
-
-  render_widget_host->HandleCompositorProto(message);
-}
-
-}  // namespace engine
-}  // namespace blimp