Use explicit WebString conversions in remaining content files

content/renderer/render_frame_impl.cc

 // Copyright 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/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 1834 matching lines @@
 void RenderFrameImpl::OnPasteAndMatchStyle() {
   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
   frame_->executeCommand(WebString::fromUTF8("PasteAndMatchStyle"));
 }
 
 #if defined(OS_MACOSX)
 void RenderFrameImpl::OnCopyToFindPboard() {
   // Since the find pasteboard supports only plain text, this can be simpler
   // than the |OnCopy()| case.
   if (frame_->hasSelection()) {
-    base::string16 selection = frame_->selectionAsText();
+    base::string16 selection = frame_->selectionAsText().utf16();
     RenderThread::Get()->Send(
         new ClipboardHostMsg_FindPboardWriteStringAsync(selection));
   }
 }
 #endif
 
 void RenderFrameImpl::OnDelete() {
   frame_->executeCommand(WebString::fromUTF8("Delete"));
 }
 
@@ skipping 44 matching lines @@
 
   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
   frame_->moveRangeSelectionExtent(
       render_view_->ConvertWindowPointToViewport(point));
 }
 
 void RenderFrameImpl::OnReplace(const base::string16& text) {
   if (!frame_->hasSelection())
     frame_->selectWordAroundCaret();
 
-  frame_->replaceSelection(text);
+  frame_->replaceSelection(WebString::fromUTF16(text));
   SyncSelectionIfRequired();
 }
 
 void RenderFrameImpl::OnReplaceMisspelling(const base::string16& text) {
   if (!frame_->hasSelection())
     return;
 
-  frame_->replaceMisspelledRange(text);
+  frame_->replaceMisspelledRange(WebString::fromUTF16(text));
 }
 
 void RenderFrameImpl::OnCopyImageAt(int x, int y) {
   blink::WebFloatRect viewport_position(x, y, 0, 0);
   GetRenderWidget()->convertWindowToViewport(&viewport_position);
   frame_->copyImageAt(WebPoint(viewport_position.x, viewport_position.y));
 }
 
 void RenderFrameImpl::OnSaveImageAt(int x, int y) {
   blink::WebFloatRect viewport_position(x, y, 0, 0);
   GetRenderWidget()->convertWindowToViewport(&viewport_position);
   frame_->saveImageAt(WebPoint(viewport_position.x, viewport_position.y));
 }
 
 void RenderFrameImpl::OnAddMessageToConsole(ConsoleMessageLevel level,
                                             const std::string& message) {
   AddMessageToConsole(level, message);
 }
 
 void RenderFrameImpl::OnJavaScriptExecuteRequest(
     const base::string16& jscript,
     int id,
     bool notify_result) {
   TRACE_EVENT_INSTANT0("test_tracing", "OnJavaScriptExecuteRequest",
                        TRACE_EVENT_SCOPE_THREAD);
 
   v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
-  v8::Local<v8::Value> result =
-      frame_->executeScriptAndReturnValue(WebScriptSource(jscript));
+  v8::Local<v8::Value> result = frame_->executeScriptAndReturnValue(
+      WebScriptSource(WebString::fromUTF16(jscript)));
 
   HandleJavascriptExecutionResult(jscript, id, notify_result, result);
 }
 
 void RenderFrameImpl::OnJavaScriptExecuteRequestForTests(
     const base::string16& jscript,
     int id,
     bool notify_result,
     bool has_user_gesture) {
   TRACE_EVENT_INSTANT0("test_tracing", "OnJavaScriptExecuteRequestForTests",
                        TRACE_EVENT_SCOPE_THREAD);
 
   // A bunch of tests expect to run code in the context of a user gesture, which
   // can grant additional privileges (e.g. the ability to create popups).
   std::unique_ptr<blink::WebScopedUserGesture> gesture(
       has_user_gesture ? new blink::WebScopedUserGesture(frame_) : nullptr);
   v8::HandleScope handle_scope(blink::mainThreadIsolate());
-  v8::Local<v8::Value> result =
-      frame_->executeScriptAndReturnValue(WebScriptSource(jscript));
+  v8::Local<v8::Value> result = frame_->executeScriptAndReturnValue(
+      WebScriptSource(WebString::fromUTF16(jscript)));
 
   HandleJavascriptExecutionResult(jscript, id, notify_result, result);
 }
 
 void RenderFrameImpl::OnJavaScriptExecuteRequestInIsolatedWorld(
     const base::string16& jscript,
     int id,
     bool notify_result,
     int world_id) {
   TRACE_EVENT_INSTANT0("test_tracing",
                        "OnJavaScriptExecuteRequestInIsolatedWorld",
                        TRACE_EVENT_SCOPE_THREAD);
 
   if (world_id <= ISOLATED_WORLD_ID_GLOBAL ||
       world_id > ISOLATED_WORLD_ID_MAX) {
     // Return if the world_id is not valid. world_id is passed as a plain int
     // over IPC and needs to be verified here, in the IPC endpoint.
     NOTREACHED();
     return;
   }
 
   v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
-  WebScriptSource script = WebScriptSource(jscript);
+  WebScriptSource script = WebScriptSource(WebString::fromUTF16(jscript));
   JavaScriptIsolatedWorldRequest* request = new JavaScriptIsolatedWorldRequest(
       id, notify_result, routing_id_, weak_factory_.GetWeakPtr());
   frame_->requestExecuteScriptInIsolatedWorld(world_id, &script, 1, false,
                                               request);
 }
 
 RenderFrameImpl::JavaScriptIsolatedWorldRequest::JavaScriptIsolatedWorldRequest(
     int id,
     bool notify_result,
     int routing_id,
@@ skipping 215 matching lines @@
     v8::Local<v8::Context> context = frame_->mainWorldScriptContext();
     v8::Context::Scope context_scope(context);
     V8ValueConverterImpl converter;
     converter.SetDateAllowed(true);
     converter.SetRegExpAllowed(true);
     std::unique_ptr<base::Value> value(new base::StringValue(params.data));
     v8::Local<v8::Value> result_value = converter.ToV8Value(value.get(),
                                                              context);
     serialized_script_value = WebSerializedScriptValue::serialize(result_value);
   } else {
-    serialized_script_value = WebSerializedScriptValue::fromString(params.data);
+    serialized_script_value =
+        WebSerializedScriptValue::fromString(WebString::fromUTF16(params.data));
   }
 
   // We must pass in the target_origin to do the security check on this side,
   // since it may have changed since the original postMessage call was made.
   WebSecurityOrigin target_origin;
   if (!params.target_origin.empty()) {
-    target_origin =
-        WebSecurityOrigin::createFromString(WebString(params.target_origin));
+    target_origin = WebSecurityOrigin::createFromString(
+        WebString::fromUTF16(params.target_origin));
   }
 
   WebDOMMessageEvent msg_event(serialized_script_value,
-                               params.source_origin,
-                               source_frame,
-                               frame_->document(),
-                               channels);
+                               WebString::fromUTF16(params.source_origin),
+                               source_frame, frame_->document(), channels);
   frame_->dispatchMessageEventWithOriginCheck(target_origin, msg_event);
 }
 
 void RenderFrameImpl::OnReload(bool bypass_cache) {
   frame_->reload(bypass_cache ? WebFrameLoadType::ReloadBypassingCache
                               : WebFrameLoadType::ReloadMainResource);
 }
 
 void RenderFrameImpl::OnReloadLoFiImages() {
   previews_state_ = PREVIEWS_NO_TRANSFORM;
   GetWebFrame()->reloadLoFiImages();
 }
 
 void RenderFrameImpl::OnTextSurroundingSelectionRequest(uint32_t max_length) {
   blink::WebSurroundingText surroundingText;
   surroundingText.initializeFromCurrentSelection(frame_, max_length);
 
   if (surroundingText.isNull()) {
     // |surroundingText| might not be correctly initialized, for example if
     // |frame_->selectionRange().isNull()|, in other words, if there was no
     // selection.
     Send(new FrameHostMsg_TextSurroundingSelectionResponse(
         routing_id_, base::string16(), 0, 0));
     return;
   }
 
   Send(new FrameHostMsg_TextSurroundingSelectionResponse(
-      routing_id_,
-      surroundingText.textContent(),
+      routing_id_, surroundingText.textContent().utf16(),
       surroundingText.startOffsetInTextContent(),
       surroundingText.endOffsetInTextContent()));
 }
 
 void RenderFrameImpl::OnFocusedFormFieldDataRequest(int request_id) {
   DCHECK(frame_);
 
   // In case of early return, the IPC response message is always needed in
   // order to avoid leaks in the browser for unacknowledged requests.
   if (frame_ != render_view_->GetWebView()->focusedFrame() ||
@@ skipping 440 matching lines @@
 blink::WebPlugin* RenderFrameImpl::createPlugin(
     blink::WebLocalFrame* frame,
     const blink::WebPluginParams& params) {
   DCHECK_EQ(frame_, frame);
   blink::WebPlugin* plugin = NULL;
   if (GetContentClient()->renderer()->OverrideCreatePlugin(
           this, frame, params, &plugin)) {
     return plugin;
   }
 
-  if (base::UTF16ToUTF8(base::StringPiece16(params.mimeType)) ==
-      kBrowserPluginMimeType) {
+  if (params.mimeType.containsOnlyASCII() &&
+      params.mimeType.ascii() == kBrowserPluginMimeType) {
     return BrowserPluginManager::Get()->CreateBrowserPlugin(
         this, GetContentClient()
                   ->renderer()
                   ->CreateBrowserPluginDelegate(this, kBrowserPluginMimeType,
                                                 GURL(params.url))
                   ->GetWeakPtr());
   }
 
 #if BUILDFLAG(ENABLE_PLUGINS)
   WebPluginInfo info;
@@ skipping 266 matching lines @@
     const blink::WebString& name,
     const blink::WebString& unique_name,
     blink::WebSandboxFlags sandbox_flags,
     const blink::WebFrameOwnerProperties& frame_owner_properties) {
   // Synchronously notify the browser of a child frame creation to get the
   // routing_id for the RenderFrame.
   int child_routing_id = MSG_ROUTING_NONE;
   FrameHostMsg_CreateChildFrame_Params params;
   params.parent_routing_id = routing_id_;
   params.scope = scope;
-  params.frame_name = base::UTF16ToUTF8(base::StringPiece16(name));
-  params.frame_unique_name =
-      base::UTF16ToUTF8(base::StringPiece16(unique_name));
+  params.frame_name = name.utf8();
+  params.frame_unique_name = unique_name.utf8();
   params.sandbox_flags = sandbox_flags;
   params.frame_owner_properties = FrameOwnerProperties(frame_owner_properties);
   Send(new FrameHostMsg_CreateChildFrame(params, &child_routing_id));
 
   // Allocation of routing id failed, so we can't create a child frame. This can
   // happen if the synchronous IPC message above has failed.  This can
   // legitimately happen when the browser process has already destroyed
   // RenderProcessHost, but the renderer process hasn't quit yet.
   if (child_routing_id == MSG_ROUTING_NONE)
     return nullptr;
@@ skipping 116 matching lines @@
 void RenderFrameImpl::willCommitProvisionalLoad(blink::WebLocalFrame* frame) {
   DCHECK_EQ(frame_, frame);
 
   for (auto& observer : observers_)
     observer.WillCommitProvisionalLoad();
 }
 
 void RenderFrameImpl::didChangeName(const blink::WebString& name,
                                     const blink::WebString& unique_name) {
   Send(new FrameHostMsg_DidChangeName(
-      routing_id_, base::UTF16ToUTF8(base::StringPiece16(name)),
-      base::UTF16ToUTF8(base::StringPiece16(unique_name))));
+      routing_id_, name.utf8(), unique_name.utf8()));
 
   if (!committed_first_load_)
     name_changed_before_first_commit_ = true;
 }
 
 void RenderFrameImpl::didEnforceInsecureRequestPolicy(
     blink::WebInsecureRequestPolicy policy) {
   Send(new FrameHostMsg_EnforceInsecureRequestPolicy(routing_id_, policy));
 }
 
@@ skipping 16 matching lines @@
 }
 
 void RenderFrameImpl::didAddContentSecurityPolicy(
     const blink::WebString& header_value,
     blink::WebContentSecurityPolicyType type,
     blink::WebContentSecurityPolicySource source) {
   if (!SiteIsolationPolicy::AreCrossProcessFramesPossible())
     return;
 
   ContentSecurityPolicyHeader header;
-  header.header_value = base::UTF16ToUTF8(base::StringPiece16(header_value));
+  header.header_value = header_value.utf8();
   header.type = type;
   header.source = source;
   Send(new FrameHostMsg_DidAddContentSecurityPolicy(routing_id_, header));
 }
 
 void RenderFrameImpl::didChangeFrameOwnerProperties(
     blink::WebFrame* child_frame,
     const blink::WebFrameOwnerProperties& frame_owner_properties) {
   Send(new FrameHostMsg_DidChangeFrameOwnerProperties(
       routing_id_, GetRoutingIdForFrameOrProxy(child_frame),
@@ skipping 10 matching lines @@
     observer.DidMatchCSS(newly_matching_selectors, stopped_matching_selectors);
 }
 
 void RenderFrameImpl::setHasReceivedUserGesture() {
   Send(new FrameHostMsg_SetHasReceivedUserGesture(routing_id_));
 }
 
 bool RenderFrameImpl::shouldReportDetailedMessageForSource(
     const blink::WebString& source) {
   return GetContentClient()->renderer()->ShouldReportDetailedMessageForSource(
-      source);
+      source.utf16());
 }
 
 void RenderFrameImpl::didAddMessageToConsole(
     const blink::WebConsoleMessage& message,
     const blink::WebString& source_name,
     unsigned source_line,
     const blink::WebString& stack_trace) {
   logging::LogSeverity log_severity = logging::LOG_VERBOSE;
   switch (message.level) {
     case blink::WebConsoleMessage::LevelVerbose:
       log_severity = logging::LOG_VERBOSE;
       break;
     case blink::WebConsoleMessage::LevelInfo:
       log_severity = logging::LOG_INFO;
       break;
     case blink::WebConsoleMessage::LevelWarning:
       log_severity = logging::LOG_WARNING;
       break;
     case blink::WebConsoleMessage::LevelError:
       log_severity = logging::LOG_ERROR;
       break;
     default:
       log_severity = logging::LOG_VERBOSE;
   }
 
   if (shouldReportDetailedMessageForSource(source_name)) {
     for (auto& observer : observers_) {
-      observer.DetailedConsoleMessageAdded(message.text, source_name,
-                                           stack_trace, source_line,
-                                           static_cast<uint32_t>(log_severity));
+      observer.DetailedConsoleMessageAdded(
+          message.text.utf16(), source_name.utf16(), stack_trace.utf16(),
+          source_line, static_cast<uint32_t>(log_severity));
     }
   }
 
   Send(new FrameHostMsg_DidAddMessageToConsole(
-      routing_id_, static_cast<int32_t>(log_severity), message.text,
-      static_cast<int32_t>(source_line), source_name));
+      routing_id_, static_cast<int32_t>(log_severity), message.text.utf16(),
+      static_cast<int32_t>(source_line), source_name.utf16()));
 }
 
 void RenderFrameImpl::loadURLExternally(const blink::WebURLRequest& request,
                                         blink::WebNavigationPolicy policy,
                                         const blink::WebString& suggested_name,
                                         bool should_replace_current_entry) {
   Referrer referrer(RenderViewImpl::GetReferrerFromRequest(frame_, request));
   if (policy == blink::WebNavigationPolicyDownload) {
     FrameHostMsg_DownloadUrl_Params params;
     params.render_view_id = render_view_->GetRoutingID();
     params.render_frame_id = GetRoutingID();
     params.url = request.url();
     params.referrer = referrer;
     params.initiator_origin = request.requestorOrigin();
-    params.suggested_name = suggested_name;
+    params.suggested_name = suggested_name.utf16();
 
     Send(new FrameHostMsg_DownloadUrl(params));
   } else {
     OpenURL(request.url(), IsHttpPost(request),
             GetRequestBodyForWebURLRequest(request),
             GetWebURLRequestHeaders(request), referrer, policy,
             should_replace_current_entry, false);
   }
 }
 
@@ skipping 475 matching lines @@
   GetContentClient()->renderer()->RunScriptsAtDocumentStart(this);
   // Do not use |this| or |frame|! ContentClient might have deleted them by now!
 }
 
 void RenderFrameImpl::didReceiveTitle(blink::WebLocalFrame* frame,
                                       const blink::WebString& title,
                                       blink::WebTextDirection direction) {
   DCHECK_EQ(frame_, frame);
   // Ignore all but top level navigations.
   if (!frame->parent()) {
-    base::string16 title16 = title;
     base::trace_event::TraceLog::GetInstance()->UpdateProcessLabel(
-        routing_id_, base::UTF16ToUTF8(title16));
+        routing_id_, title.utf8());
 
+    base::string16 title16 = title.utf16();
     base::string16 shortened_title = title16.substr(0, kMaxTitleChars);
     Send(new FrameHostMsg_UpdateTitle(routing_id_,
                                       shortened_title, direction));
   }
 
   // Also check whether we have new encoding name.
   UpdateEncoding(frame, frame->view()->pageEncoding().utf8());
 }
 
 void RenderFrameImpl::didChangeIcon(blink::WebLocalFrame* frame,
@@ skipping 270 matching lines @@
       new RendererWebColorChooserImpl(this, client);
   std::vector<ColorSuggestion> color_suggestions;
   for (size_t i = 0; i < suggestions.size(); i++) {
     color_suggestions.push_back(ColorSuggestion(suggestions[i]));
   }
   color_chooser->Open(static_cast<SkColor>(initial_color), color_suggestions);
   return color_chooser;
 }
 
 void RenderFrameImpl::runModalAlertDialog(const blink::WebString& message) {
-  RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_ALERT,
-                       message,
-                       base::string16(),
-                       frame_->document().url(),
-                       NULL);
+  RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_ALERT, message.utf16(),
+                       base::string16(), frame_->document().url(), NULL);
 }
 
 bool RenderFrameImpl::runModalConfirmDialog(const blink::WebString& message) {
-  return RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_CONFIRM,
-                              message,
-                              base::string16(),
-                              frame_->document().url(),
-                              NULL);
+  return RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_CONFIRM, message.utf16(),
+                              base::string16(), frame_->document().url(), NULL);
 }
 
 bool RenderFrameImpl::runModalPromptDialog(
     const blink::WebString& message,
     const blink::WebString& default_value,
     blink::WebString* actual_value) {
   base::string16 result;
   bool ok = RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_PROMPT,
-                                 message,
-                                 default_value,
-                                 frame_->document().url(),
-                                 &result);
+                                 message.utf16(), default_value.utf16(),
+                                 frame_->document().url(), &result);
   if (ok)
-    actual_value->assign(result);
+    actual_value->assign(WebString::fromUTF16(result));
   return ok;
 }
 
 bool RenderFrameImpl::runModalBeforeUnloadDialog(bool is_reload) {
   // Don't allow further dialogs if we are waiting to swap out, since the
   // ScopedPageLoadDeferrer in our stack prevents it.
   if (suppress_further_dialogs_)
     return false;
 
   bool success = false;
@@ skipping 12 matching lines @@
 
   FileChooserParams ipc_params;
   if (params.directory)
     ipc_params.mode = FileChooserParams::UploadFolder;
   else if (params.multiSelect)
     ipc_params.mode = FileChooserParams::OpenMultiple;
   else if (params.saveAs)
     ipc_params.mode = FileChooserParams::Save;
   else
     ipc_params.mode = FileChooserParams::Open;
-  ipc_params.title = params.title;
+  ipc_params.title = params.title.utf16();
   ipc_params.accept_types.reserve(params.acceptTypes.size());
   for (const auto& type : params.acceptTypes)
-    ipc_params.accept_types.push_back(type);
+    ipc_params.accept_types.push_back(type.utf16());
   ipc_params.need_local_path = params.needLocalPath;
 #if defined(OS_ANDROID)
   ipc_params.capture = params.useMediaCapture;
 #endif
   ipc_params.requestor = params.requestor;
 
   return ScheduleFileChooser(ipc_params, chooser_completion);
 }
 
 void RenderFrameImpl::showContextMenu(const blink::WebContextMenuData& data) {
@@ skipping 542 matching lines @@
 }
 
 void RenderFrameImpl::exitFullscreen() {
   Send(new FrameHostMsg_ToggleFullscreen(routing_id_, false));
 }
 
 void RenderFrameImpl::registerProtocolHandler(const WebString& scheme,
                                               const WebURL& url,
                                               const WebString& title) {
   bool user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
-  Send(new FrameHostMsg_RegisterProtocolHandler(
-      routing_id_,
-      base::UTF16ToUTF8(base::StringPiece16(scheme)),
-      url,
-      title,
-      user_gesture));
+  Send(new FrameHostMsg_RegisterProtocolHandler(routing_id_, scheme.utf8(), url,
+                                                title.utf16(), user_gesture));
 }
 
 void RenderFrameImpl::unregisterProtocolHandler(const WebString& scheme,
                                                 const WebURL& url) {
   bool user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
-  Send(new FrameHostMsg_UnregisterProtocolHandler(
-      routing_id_,
-      base::UTF16ToUTF8(base::StringPiece16(scheme)),
-      url,
-      user_gesture));
+  Send(new FrameHostMsg_UnregisterProtocolHandler(routing_id_, scheme.utf8(),
+                                                  url, user_gesture));
 }
 
 void RenderFrameImpl::didSerializeDataForFrame(
     const WebCString& data,
     WebFrameSerializerClient::FrameSerializationStatus status) {
   bool end_of_data = status == WebFrameSerializerClient::CurrentFrameIsFinished;
   Send(new FrameHostMsg_SerializedHtmlWithLocalLinksResponse(
       routing_id_, data, end_of_data));
 }
 
@@ skipping 891 matching lines @@
                              const WebFindOptions& options) {
   DCHECK(!search_text.empty());
 
   blink::WebPlugin* plugin = GetWebPluginForFind();
   // Check if the plugin still exists in the document.
   if (plugin) {
     if (options.findNext) {
       // Just navigate back/forward.
       plugin->selectFindResult(options.forward, request_id);
     } else {
-      if (!plugin->startFind(search_text, options.matchCase, request_id)) {
+      if (!plugin->startFind(WebString::fromUTF16(search_text),
+                             options.matchCase, request_id)) {
         // Send "no results".
         SendFindReply(request_id, 0 /* match_count */, 0 /* ordinal */,
                       gfx::Rect(), true /* final_status_update */);
       }
     }
     return;
   }
 
-  frame_->requestFind(request_id, search_text, options);
+  frame_->requestFind(request_id, WebString::fromUTF16(search_text), options);
 }
 
 void RenderFrameImpl::OnClearActiveFindMatch() {
   frame_->executeCommand(WebString::fromUTF8("Unselect"));
   frame_->clearActiveFindMatch();
 }
 
 // Ensure that content::StopFindAction and blink::WebLocalFrame::StopFindAction
 // are kept in sync.
 STATIC_ASSERT_ENUM(STOP_FIND_ACTION_CLEAR_SELECTION,
@@ skipping 28 matching lines @@
   // This could happen if we navigated to a different page before the user
   // closed the chooser.
   if (file_chooser_completions_.empty())
     return;
 
   // Convert Chrome's SelectedFileInfo list to WebKit's.
   WebVector<blink::WebFileChooserCompletion::SelectedFileInfo> selected_files(
       files.size());
   for (size_t i = 0; i < files.size(); ++i) {
     blink::WebFileChooserCompletion::SelectedFileInfo selected_file;
-    selected_file.path = files[i].file_path.AsUTF16Unsafe();
+    selected_file.path = blink::FilePathToWebString(files[i].file_path);
     selected_file.displayName =
-        base::FilePath(files[i].display_name).AsUTF16Unsafe();
+        blink::FilePathToWebString(base::FilePath(files[i].display_name));
     if (files[i].file_system_url.is_valid()) {
       selected_file.fileSystemURL = files[i].file_system_url;
       selected_file.length = files[i].length;
       selected_file.modificationTime = files[i].modification_time.ToDoubleT();
       selected_file.isDirectory = files[i].is_directory;
     }
     selected_files[i] = selected_file;
   }
 
   if (file_chooser_completions_.front()->completion) {
@@ skipping 415 matching lines @@
         blink::WebTextInputTypeNone) {
       // If current focused element is editable, we will send 100 more chars
       // before and after selection. It is for input method surrounding text
       // feature.
       if (selection.startOffset() > kExtraCharsBeforeAndAfterSelection)
         offset = selection.startOffset() - kExtraCharsBeforeAndAfterSelection;
       else
         offset = 0;
       size_t length =
           selection.endOffset() - offset + kExtraCharsBeforeAndAfterSelection;
-      text = frame_->rangeAsText(WebRange(offset, length));
+      text = frame_->rangeAsText(WebRange(offset, length)).utf16();
     } else {
       offset = selection.startOffset();
-      text = frame_->selectionAsText();
+      text = frame_->selectionAsText().utf16();
       // http://crbug.com/101435
       // In some case, frame->selectionAsText() returned text's length is not
       // equal to the length returned from
       // GetWebWidget()->caretOrSelectionRange().
       // So we have to set the range according to text.length().
       range.set_end(range.start() + text.length());
     }
   }
 
   // TODO(dglazkov): Investigate if and why this would be happening,
@@ skipping 251 matching lines @@
     new MojoBindingsController(this, MojoBindingsType::FOR_HEADLESS);
   }
 }
 
 void RenderFrameImpl::SendFailedProvisionalLoad(
     const blink::WebURLRequest& request,
     const blink::WebURLError& error,
     blink::WebLocalFrame* frame) {
   bool show_repost_interstitial =
       (error.reason == net::ERR_CACHE_MISS &&
-       base::EqualsASCII(base::StringPiece16(request.httpMethod()), "POST"));
+       base::EqualsASCII(request.httpMethod().utf16(), "POST"));
 
   FrameHostMsg_DidFailProvisionalLoadWithError_Params params;
   params.error_code = error.reason;
   GetContentClient()->renderer()->GetNavigationErrorStrings(
       this, request, error, nullptr, &params.error_description);
   params.url = error.unreachableURL;
   params.showing_repost_interstitial = show_repost_interstitial;
   params.was_ignored_by_handler = error.wasIgnoredByHandler;
   Send(new FrameHostMsg_DidFailProvisionalLoadWithError(routing_id_, params));
 }
@@ skipping 453 matching lines @@
   // event target. Potentially a Pepper plugin will receive the event.
   // In order to tell whether a plugin gets the last mouse event and which it
   // is, we set |pepper_last_mouse_event_target_| to null here. If a plugin gets
   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
   // |pepper_last_mouse_event_target_|.
   pepper_last_mouse_event_target_ = nullptr;
 #endif
 }
 
 }  // namespace content