Move WebInputMethodControllerImpl to core/exported/ & break dependencies.

third_party/WebKit/Source/web/WebViewFrameWidget.cpp

Index: third_party/WebKit/Source/web/WebViewFrameWidget.cpp
diff --git a/third_party/WebKit/Source/web/WebViewFrameWidget.cpp b/third_party/WebKit/Source/web/WebViewFrameWidget.cpp
index 29cf1d876b3d23f5bbdc13c3f7beb207ed848299..1cf162e7310b403bbad540a42e6255cdaf84a91f 100644
--- a/third_party/WebKit/Source/web/WebViewFrameWidget.cpp
+++ b/third_party/WebKit/Source/web/WebViewFrameWidget.cpp
@@ -7,7 +7,6 @@
 #include "core/exported/WebViewBase.h"
 #include "core/frame/WebLocalFrameBase.h"
 #include "core/layout/HitTestResult.h"
-#include "web/WebInputMethodControllerImpl.h"
 
 namespace blink {
 
@@ -211,7 +210,7 @@ WebLocalFrameBase* WebViewFrameWidget::LocalRoot() const {
   return web_view_->MainFrameImpl();
 }
 
-WebInputMethodControllerImpl*
+WebInputMethodController*
 WebViewFrameWidget::GetActiveWebInputMethodController() const {
   return web_view_->GetActiveWebInputMethodController();
 }