[reland] Browser Side Text Input State Tracking for OOPIF (Aura Only)

content/browser/renderer_host/render_widget_host_view_aura.h

Index: content/browser/renderer_host/render_widget_host_view_aura.h
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.h b/content/browser/renderer_host/render_widget_host_view_aura.h
index 51942cd96d961b17e3b8be7071351206533562de..64e6dd7fb0b586cfcb2b5a56e9a977829e57e5d9 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.h
+++ b/content/browser/renderer_host/render_widget_host_view_aura.h
@@ -134,7 +134,6 @@ class CONTENT_EXPORT RenderWidgetHostViewAura
   void Focus() override;
   void UpdateCursor(const WebCursor& cursor) override;
   void SetIsLoading(bool is_loading) override;
-  void TextInputStateChanged(const TextInputState& params) override;
   void ImeCancelComposition() override;
   void ImeCompositionRangeChanged(
       const gfx::Range& range,
@@ -342,6 +341,7 @@ class CONTENT_EXPORT RenderWidgetHostViewAura
 
  private:
   friend class RenderWidgetHostViewAuraCopyRequestTest;
+  friend class TestInputMethodObserver;
   FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest,
                            PopupRetainsCaptureAfterMouseRelease);
   FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostViewAuraTest, SetCompositionText);
@@ -518,6 +518,12 @@ class CONTENT_EXPORT RenderWidgetHostViewAura
   // NULL on failure.
   RenderViewHostDelegateView* GetRenderViewHostDelegateView();
 
+  // TextInputManager::Observer implementation.
+  void OnTextInputStateUpdated(TextInputManager* text_input_manager,
+                               RenderWidgetHostViewBase* updated_view) override;
+  void OnTextInputStateUpdateCalled(
+      TextInputManager* text_input_manager) override;
+
   // The model object.
   RenderWidgetHostImpl* const host_;
 
@@ -561,14 +567,6 @@ class CONTENT_EXPORT RenderWidgetHostViewAura
   // object.
   ui::MotionEventAura pointer_state_;
 
-  // The current text input type.
-  ui::TextInputType text_input_type_;
-  // The current text input mode corresponding to HTML5 inputmode attribute.
-  ui::TextInputMode text_input_mode_;
-  // The current text input flags.
-  int text_input_flags_;
-  bool can_compose_inline_;
-
   // Bounds for the selection.
   ui::SelectionBound selection_anchor_;
   ui::SelectionBound selection_focus_;