Introduce WebInputMethodController to blink

content/renderer/render_widget_browsertest.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/common/resize_params.h"
 #include "content/public/test/render_view_test.h"
 #include "content/renderer/render_view_impl.h"
 #include "content/renderer/render_widget.h"
+#include "third_party/WebKit/public/web/WebFrameWidget.h"
+#include "third_party/WebKit/public/web/WebInputMethodController.h"
 
 namespace content {
 
 class RenderWidgetTest : public RenderViewTest {
  protected:
   RenderWidget* widget() {
     return static_cast<RenderViewImpl*>(view_)->GetWidget();
   }
 
   void OnResize(const ResizeParams& params) {
@@ skipping 84 matching lines @@
   EXPECT_EQ(initial_size_, widget()->size());
   EXPECT_EQ(initial_size_, gfx::Size(widget()->GetWebWidget()->size()));
   EXPECT_TRUE(next_paint_is_resize_ack());
 }
 
 TEST_F(RenderWidgetTest, GetCompositionRangeValidComposition) {
   LoadHTML(
       "<div contenteditable>EDITABLE</div>"
       "<script> document.querySelector('div').focus(); </script>");
   blink::WebVector<blink::WebCompositionUnderline> emptyUnderlines;
-  widget()->GetWebWidget()->setComposition("hello", emptyUnderlines, 3, 3);
+  DCHECK(widget()->GetInputMethodController());
+  widget()->GetInputMethodController()->setComposition("hello", emptyUnderlines,
+                                                       3, 3);
   gfx::Range range;
   GetCompositionRange(&range);
   EXPECT_TRUE(range.IsValid());
   EXPECT_EQ(0U, range.start());
   EXPECT_EQ(5U, range.end());
 }
 
 TEST_F(RenderWidgetTest, GetCompositionRangeValidSelection) {
   LoadHTML(
       "<div>NOT EDITABLE</div>"
       "<script> document.execCommand('selectAll'); </script>");
   gfx::Range range;
   GetCompositionRange(&range);
   EXPECT_TRUE(range.IsValid());
   EXPECT_EQ(0U, range.start());
   EXPECT_EQ(12U, range.end());
 }
 
 TEST_F(RenderWidgetTest, GetCompositionRangeInvalid) {
   LoadHTML("<div>NOT EDITABLE</div>");
   gfx::Range range;
   GetCompositionRange(&range);
   // If this test ever starts failing, one likely outcome is that WebRange
   // and gfx::Range::InvalidRange are no longer expressed in the same
   // values of start/end.
   EXPECT_FALSE(range.IsValid());
 }
 
 }  // namespace content