Support additional webkit accessibility notifications and states.

chrome/browser/renderer_host/browser_render_process_host.cc

 // Copyright (c) 2010 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "chrome/browser/renderer_host/browser_render_process_host.h"
 
 #include <algorithm>
@@ skipping 183 matching lines @@
   VisitedLinkCommon::Fingerprints pending_;
 };
 
 BrowserRenderProcessHost::BrowserRenderProcessHost(Profile* profile)
     : RenderProcessHost(profile),
       visible_widgets_(0),
       backgrounded_(true),
       ALLOW_THIS_IN_INITIALIZER_LIST(cached_dibs_cleaner_(
             base::TimeDelta::FromSeconds(5),
             this, &BrowserRenderProcessHost::ClearTransportDIBCache)),
+      accessibility_enabled_(false),
       extension_process_(false) {
   widget_helper_ = new RenderWidgetHelper();
 
   registrar_.Add(this, NotificationType::USER_SCRIPTS_UPDATED,
                  Source<Profile>(profile->GetOriginalProfile()));
   registrar_.Add(this, NotificationType::EXTENSION_LOADED,
                  Source<Profile>(profile->GetOriginalProfile()));
   registrar_.Add(this, NotificationType::EXTENSION_UNLOADED,
                  Source<Profile>(profile->GetOriginalProfile()));
   registrar_.Add(this, NotificationType::SPELLCHECK_HOST_REINITIALIZED,
@@ skipping 25 matching lines @@
     queued_messages_.pop();
   }
 
   // Destroy the AudioRendererHost properly.
   if (audio_renderer_host_.get())
     audio_renderer_host_->Destroy();
 
   ClearTransportDIBCache();
 }
 
-bool BrowserRenderProcessHost::Init(bool is_extensions_process) {
+bool BrowserRenderProcessHost::Init(
+    bool is_accessibility_enabled, bool is_extensions_process) {
   // calling Init() more than once does nothing, this makes it more convenient
   // for the view host which may not be sure in some cases
   if (channel_.get())
     return true;
 
+  accessibility_enabled_ = is_accessibility_enabled;
+
   // It is possible for an extension process to be reused for non-extension
   // content, e.g. if an extension calls window.open.
   extension_process_ = extension_process_ || is_extensions_process;
 
   // run the IPC channel on the shared IO thread.
   base::Thread* io_thread = g_browser_process->io_thread();
 
   // Construct the AudioRendererHost with the IO thread.
   audio_renderer_host_ = new AudioRendererHost();
 
@@ skipping 177 matching lines @@
   // Pass the process type first, so it shows first in process listings.
   // Extensions use a special pseudo-process type to make them distinguishable,
   // even though they're just renderers.
   command_line->AppendSwitchASCII(switches::kProcessType,
       extension_process_ ? switches::kExtensionProcess :
                            switches::kRendererProcess);
 
   if (logging::DialogsAreSuppressed())
     command_line->AppendSwitch(switches::kNoErrorDialogs);
 
+  if (accessibility_enabled_)
+    command_line->AppendSwitch(switches::kEnableAccessibility);
+
   // Now send any options from our own command line we want to propogate.
   const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
   PropagateBrowserCommandLineToRenderer(browser_command_line, command_line);
 
   // Pass on the browser locale.
   const std::string locale = g_browser_process->GetApplicationLocale();
   command_line->AppendSwitchASCII(switches::kLang, locale);
 
   // If we run FieldTrials, we want to pass to their state to the renderer so
   // that it can act in accordance with each state, or record histograms
@@ skipping 619 matching lines @@
         IPC::InvalidPlatformFileForTransit(),
         std::vector<std::string>(),
         std::string(),
         false));
   }
 }
 
 void BrowserRenderProcessHost::EnableAutoSpellCorrect(bool enable) {
   Send(new ViewMsg_SpellChecker_EnableAutoSpellCorrect(enable));
 }