Adds new experimental accessibility extension api to enable or disable native accessibility.

content/browser/accessibility/accessibility_ui.cc

 // Copyright (c) 2013 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/accessibility/accessibility_ui.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/json/json_writer.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 103 matching lines @@
       RenderViewHost* rvh =
           RenderViewHost::From(const_cast<RenderWidgetHost*>(rwh));
 
       rvh_list->Append(BuildTargetDescriptor(rvh));
     }
   }
 
   scoped_ptr<DictionaryValue> data(new DictionaryValue());
   data->Set("list", rvh_list.release());
   scoped_ptr<FundamentalValue> a11y_mode(new FundamentalValue(
-      BrowserAccessibilityStateImpl::GetInstance()->GetAccessibilityMode()));
+      BrowserAccessibilityStateImpl::GetInstance()->accessibility_mode()));
   data->Set("global_a11y_mode", a11y_mode.release());
 
   std::string json_string;
   base::JSONWriter::Write(data.get(), &json_string);
 
   callback.Run(base::RefCountedString::TakeString(&json_string));
 }
 
 bool HandleRequestCallback(
     const std::string& path,
@@ skipping 63 matching lines @@
   AccessibilityMode mode = rwhi->accessibility_mode();
   if (mode == AccessibilityModeOff)
     rwhi->SetAccessibilityMode(AccessibilityModeComplete);
   else
     rwhi->SetAccessibilityMode(AccessibilityModeOff);
 }
 
 void AccessibilityUI::ToggleGlobalAccessibility(const base::ListValue* args) {
   BrowserAccessibilityStateImpl* state =
       BrowserAccessibilityStateImpl::GetInstance();
-  AccessibilityMode mode = state->GetAccessibilityMode();
+  AccessibilityMode mode = state->accessibility_mode();
   AccessibilityMode new_mode = (mode == AccessibilityModeOff
                                 ? AccessibilityModeComplete
                                 : AccessibilityModeOff);
   state->SetAccessibilityMode(new_mode);
-  for (RenderProcessHost::iterator it(RenderProcessHost::AllHostsIterator());
-       !it.IsAtEnd(); it.Advance()) {
-    RenderProcessHost* render_process_host = it.GetCurrentValue();
-    DCHECK(render_process_host);
-
-    // Ignore processes that don't have a connection, such as crashed tabs.
-    if (!render_process_host->HasConnection())
-      continue;
-
-    RenderProcessHost::RenderWidgetHostsIterator rwit(
-        render_process_host->GetRenderWidgetHostsIterator());
-    for (; !rwit.IsAtEnd(); rwit.Advance()) {
-      RenderWidgetHost* rwh = const_cast<RenderWidgetHost*>(
-          rwit.GetCurrentValue());
-      DCHECK(rwh);
-      if (!rwh || !rwh->IsRenderView())
-        continue;
-      RenderWidgetHostImpl* rwhi = RenderWidgetHostImpl::From(rwh);
-      rwhi->SetAccessibilityMode(new_mode);
-    }
-  }
 }
 
 void AccessibilityUI::RequestAccessibilityTree(const base::ListValue* args) {
   std::string process_id_str;
   std::string route_id_str;
   int process_id;
   int route_id;
   CHECK(args->GetSize() == 2);
   CHECK(args->GetString(0, &process_id_str));
   CHECK(args->GetString(1, &route_id_str));
@@ skipping 34 matching lines @@
       AccessibilityTreeFormatter::Filter::ALLOW));
   formatter->SetFilters(filters);
   formatter->FormatAccessibilityTree(&accessibility_contents_utf16);
 
   result->Set("tree",
               new StringValue(UTF16ToUTF8(accessibility_contents_utf16)));
   web_ui()->CallJavascriptFunction("accessibility.showTree", *(result.get()));
 }
 
 }  // namespace content