Force MimeHandlerView to always use BrowserPlugin

content/browser/web_contents/web_contents_impl.cc

 // Copyright (c) 2012 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 "content/browser/web_contents/web_contents_impl.h"
 
 #include <stddef.h>
 
 #include <cmath>
 #include <utility>
@@ skipping 73 matching lines @@
 #include "content/common/page_state_serialization.h"
 #include "content/common/site_isolation_policy.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/ax_event_notification_details.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_plugin_guest_manager.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/devtools_agent_host.h"
 #include "content/public/browser/download_manager.h"
 #include "content/public/browser/download_url_parameters.h"
+#include "content/public/browser/guest_mode.h"
 #include "content/public/browser/invalidate_type.h"
 #include "content/public/browser/javascript_dialog_manager.h"
 #include "content/public/browser/load_notification_details.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_widget_host_iterator.h"
 #include "content/public/browser/resource_request_details.h"
 #include "content/public/browser/screen_orientation_dispatcher_host.h"
@@ skipping 1292 matching lines @@
 }
 
 void WebContentsImpl::DispatchBeforeUnload() {
   bool for_cross_site_transition = false;
   GetMainFrame()->DispatchBeforeUnload(for_cross_site_transition, false);
 }
 
 void WebContentsImpl::AttachToOuterWebContentsFrame(
     WebContents* outer_web_contents,
     RenderFrameHost* outer_contents_frame) {
-  CHECK(BrowserPluginGuestMode::UseCrossProcessFramesForGuests());
+  CHECK(GuestMode::IsInnerWebContentsUsingCrossProcessFrames(this));
   RenderFrameHostManager* render_manager = GetRenderManager();
 
   // When the WebContents being initialized has an opener, the  browser side
   // Render{View,Frame}Host must be initialized and the RenderWidgetHostView
   // created. This is needed because the usual initialization happens during
   // the first navigation, but when attaching a new window we don't navigate
   // before attaching. If the browser side is already initialized, the calls
   // below will just early return.
   render_manager->InitRenderView(GetRenderViewHost(), nullptr);
   GetMainFrame()->Init();
@@ skipping 135 matching lines @@
           switches::kUseMusInRenderer)) {
     ui::Window* mus_window = aura::GetMusWindow(params.context);
     if (mus_window) {
       view_.reset(new WebContentsViewMus(mus_window, this, delegate,
                                          &render_view_host_delegate_view_));
     }
   }
 #endif
 
   if (!view_) {
-    if (browser_plugin_guest_ &&
-        BrowserPluginGuestMode::UseCrossProcessFramesForGuests()) {
+    if (GuestMode::IsInnerWebContentsUsingCrossProcessFrames(this)) {
       view_.reset(new WebContentsViewChildFrame(
           this, delegate, &render_view_host_delegate_view_));
     } else {
       view_.reset(CreateWebContentsView(this, delegate,
                                         &render_view_host_delegate_view_));
     }
   }
 
   if (browser_plugin_guest_ &&
-      !BrowserPluginGuestMode::UseCrossProcessFramesForGuests()) {
+      !GuestMode::IsInnerWebContentsUsingCrossProcessFrames(this)) {
     view_.reset(new WebContentsViewGuest(this, browser_plugin_guest_.get(),
                                          std::move(view_),
                                          &render_view_host_delegate_view_));
   }
   CHECK(render_view_host_delegate_view_);
   CHECK(view_.get());
 
   gfx::Size initial_size = params.initial_size;
   view_->CreateView(initial_size, params.context);
 
@@ skipping 2604 matching lines @@
     return delegate_->GetRootWindowResizerRect();
   return gfx::Rect();
 }
 
 void WebContentsImpl::RemoveBrowserPluginEmbedder() {
   if (browser_plugin_embedder_)
     browser_plugin_embedder_.reset();
 }
 
 WebContentsImpl* WebContentsImpl::GetOuterWebContents() {
-  if (BrowserPluginGuestMode::UseCrossProcessFramesForGuests()) {
-    if (node_)
-      return node_->outer_web_contents();
-  } else {
-    if (GetBrowserPluginGuest())
-      return GetBrowserPluginGuest()->embedder_web_contents();
-  }
+  if (GuestMode::IsInnerWebContentsUsingCrossProcessFrames(this) && node_)
+    return node_->outer_web_contents();
+
+  if (browser_plugin_guest_)
+    return browser_plugin_guest_->embedder_web_contents();
+
   return nullptr;
 }
 
 WebContentsImpl* WebContentsImpl::GetFocusedWebContents() {
   // There is no inner or outer web contents.
   if (!node_ && !GetBrowserPluginGuest())
     return this;
 
   // We may need to create a node_ on the outermost contents in the
   // BrowserPlugin case.
@@ skipping 409 matching lines @@
 
 void WebContentsImpl::EnsureOpenerProxiesExist(RenderFrameHost* source_rfh) {
   WebContentsImpl* source_web_contents = static_cast<WebContentsImpl*>(
       WebContents::FromRenderFrameHost(source_rfh));
 
   if (source_web_contents) {
     // If this message is going to outer WebContents from inner WebContents,
     // then we should not create a RenderView. AttachToOuterWebContentsFrame()
     // already created a RenderFrameProxyHost for that purpose.
     if (GetBrowserPluginEmbedder() &&
-        BrowserPluginGuestMode::UseCrossProcessFramesForGuests()) {
+        GuestMode::IsInnerWebContentsUsingCrossProcessFrames(
+            source_web_contents)) {
       return;
     }
 
     if (this != source_web_contents && GetBrowserPluginGuest()) {
       // We create a RenderFrameProxyHost for the embedder in the guest's render
       // process but we intentionally do not expose the embedder's opener chain
       // to it.
       source_web_contents->GetRenderManager()->CreateRenderFrameProxy(
           GetSiteInstance());
     } else {
       RenderFrameHostImpl* source_rfhi =
           static_cast<RenderFrameHostImpl*>(source_rfh);
       source_rfhi->frame_tree_node()->render_manager()->CreateOpenerProxies(
           GetSiteInstance(), nullptr);
     }
   }
 }
 
 void WebContentsImpl::SetFocusedFrame(FrameTreeNode* node,
                                       SiteInstance* source) {
-  if (!BrowserPluginGuestMode::UseCrossProcessFramesForGuests()) {
+  if (!GuestMode::IsInnerWebContentsUsingCrossProcessFrames(this) &&
+      browser_plugin_guest_) {
     frame_tree_.SetFocusedFrame(node, source);
     return;
   }
 
   // 1. Find old focused frame and unfocus it.
   // 2. Focus the new frame in the current FrameTree.
   // 3. Set current WebContents as focused.
   WebContentsImpl* old_focused_contents = GetFocusedWebContents();
   if (old_focused_contents != this) {
     // Focus is moving between frame trees, unfocus the frame in the old tree.
     old_focused_contents->frame_tree_.SetFocusedFrame(nullptr, source);
     GetOutermostWebContents()->node_->SetFocusedWebContents(this);
   }
 
   frame_tree_.SetFocusedFrame(node, source);
 
   // TODO(avallee): Remove this once page focus is fixed.
   RenderWidgetHostImpl* rwh = node->current_frame_host()->GetRenderWidgetHost();
-  if (rwh && old_focused_contents != this &&
-      BrowserPluginGuestMode::UseCrossProcessFramesForGuests())
+  if (rwh && old_focused_contents != this)
     rwh->Focus();
 }
 
 bool WebContentsImpl::AddMessageToConsole(int32_t level,
                                           const base::string16& message,
                                           int32_t line_no,
                                           const base::string16& source_id) {
   if (!delegate_)
     return false;
   return delegate_->AddMessageToConsole(this, level, message, line_no,
@@ skipping 517 matching lines @@
   for (RenderViewHost* render_view_host : render_view_host_set)
     render_view_host->OnWebkitPreferencesChanged();
 }
 
 void WebContentsImpl::SetJavaScriptDialogManagerForTesting(
     JavaScriptDialogManager* dialog_manager) {
   dialog_manager_ = dialog_manager;
 }
 
 }  // namespace content