Introduce WebInputMethodController to blink

content/renderer/render_widget_browsertest.cc

Index: content/renderer/render_widget_browsertest.cc
diff --git a/content/renderer/render_widget_browsertest.cc b/content/renderer/render_widget_browsertest.cc
index c292aba998c3c1390d14caf772f5b85a59b0cad5..da86f3e6992f02ec658336b1aaaf39ef531d8849 100644
--- a/content/renderer/render_widget_browsertest.cc
+++ b/content/renderer/render_widget_browsertest.cc
@@ -6,6 +6,8 @@
 #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 {
 
@@ -110,7 +112,9 @@ TEST_F(RenderWidgetTest, GetCompositionRangeValidComposition) {
       "<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());