Move IME related functions from WebFrame to WebLocalFrame

content/renderer/render_view_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/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 #include <memory>
 
@@ skipping 1655 matching lines @@
 }
 
 void RenderViewImpl::didCancelCompositionOnSelectionChange() {
   Send(new InputHostMsg_ImeCancelComposition(GetRoutingID()));
 }
 
 bool RenderViewImpl::handleCurrentKeyboardEvent() {
   if (edit_commands_.empty())
     return false;
 
-  WebFrame* frame = webview()->focusedFrame();
-  if (!frame)
-    return false;
+  WebLocalFrame* frame = webview()->focusedFrame();
 
   EditCommands::iterator it = edit_commands_.begin();
   EditCommands::iterator end = edit_commands_.end();
 
   bool did_execute_command = false;
   for (; it != end; ++it) {
     // In gtk and cocoa, it's possible to bind multiple edit commands to one
     // key (but it's the exception). Once one edit command is not executed, it
     // seems safest to not execute the rest.
     if (!frame->executeCommand(WebString::fromUTF8(it->name),
@@ skipping 1068 matching lines @@
   PepperPluginInstanceImpl* focused_pepper_plugin = GetFocusedPepperPlugin();
   if (focused_pepper_plugin) {
     focused_pepper_plugin->render_frame()->OnImeSetComposition(
         text, underlines, selection_start, selection_end);
     return;
   }
 #endif  // ENABLE_PLUGINS
   if (replacement_range.IsValid() && webview()) {
     // Select the text in |replacement_range|, it will then be replaced by
     // text added by the call to RenderWidget::OnImeSetComposition().
-    if (WebLocalFrame* frame = webview()->focusedFrame()->toWebLocalFrame()) {
-      WebRange webrange = WebRange::fromDocumentRange(
-          frame, replacement_range.start(), replacement_range.length());
-      if (!webrange.isNull())
-        frame->selectRange(webrange);
-    }
+    WebLocalFrame* frame = webview()->focusedFrame();
+    WebRange webrange = WebRange::fromDocumentRange(
+        frame, replacement_range.start(), replacement_range.length());
+    if (!webrange.isNull())
+      frame->selectRange(webrange);
   }
   RenderWidget::OnImeSetComposition(text,
                                     underlines,
                                     replacement_range,
                                     selection_start,
                                     selection_end);
 }
 
 void RenderViewImpl::OnImeConfirmComposition(
     const base::string16& text,
     const gfx::Range& replacement_range,
     bool keep_selection) {
 #if defined(ENABLE_PLUGINS)
   PepperPluginInstanceImpl* focused_pepper_plugin = GetFocusedPepperPlugin();
   if (focused_pepper_plugin) {
     focused_pepper_plugin->render_frame()->OnImeConfirmComposition(
         text, replacement_range, keep_selection);
     return;
   }
 #endif  // ENABLE_PLUGINS
   if (replacement_range.IsValid() && webview()) {
     // Select the text in |replacement_range|, it will then be replaced by
     // text added by the call to RenderWidget::OnImeConfirmComposition().
-    if (WebLocalFrame* frame = webview()->focusedFrame()->toWebLocalFrame()) {
-      WebRange webrange = WebRange::fromDocumentRange(
-          frame, replacement_range.start(), replacement_range.length());
-      if (!webrange.isNull())
-        frame->selectRange(webrange);
-    }
+    WebLocalFrame* frame = webview()->focusedFrame();
+    WebRange webrange = WebRange::fromDocumentRange(
+        frame, replacement_range.start(), replacement_range.length());
+    if (!webrange.isNull())
+      frame->selectRange(webrange);
   }
   RenderWidget::OnImeConfirmComposition(text,
                                         replacement_range,
                                         keep_selection);
 }
 
 void RenderViewImpl::RenderWidgetDidSetColorProfile(
     const std::vector<char>& profile) {
   if (webview()) {
     bool was_reset = (profile.size() == 1 && profile[0] == '0');
@@ skipping 47 matching lines @@
 
   if (!webview())
     return;
   size_t start_offset = 0;
   size_t character_count = 0;
   if (!webview()->compositionRange(&start_offset, &character_count))
     return;
   if (character_count == 0)
     return;
 
-  blink::WebFrame* frame = webview()->focusedFrame();
-  if (!frame)
-    return;
+  blink::WebLocalFrame* frame = webview()->focusedFrame();
 
   bounds_in_window->reserve(character_count);
   blink::WebRect webrect;
   for (size_t i = 0; i < character_count; ++i) {
     if (!frame->firstRectForCharacterRange(start_offset + i, 1, webrect)) {
       DLOG(ERROR) << "Could not retrieve character rectangle at " << i;
       bounds_in_window->clear();
       return;
     }
     ConvertViewportToWindowViaWidget(&webrect);
@@ skipping 399 matching lines @@
         return render_frame->focused_pepper_plugin();
     }
     frame = frame->traverseNext(false);
   }
 
   return nullptr;
 }
 #endif
 
 }  // namespace content