minor fixes to get virtual keyboard work on views desktop without ibus

 * Call OnTextInputTypeChanged from Mock class (which is used when ibus is not present)
 * Don't create InputMethod in desktop window.
 * Fix comment on RWHVV to be more accurate.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/7761008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@98676 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/renderer_host/render_widget_host_view_views.h

@@ -174,13 +174,15 @@ class RenderWidgetHostViewViews : public RenderWidgetHostView,
 #endif
 
  protected:
-  // Overridden from RenderWidgetHostView / views::View.
+  // Overridden views::View.
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
-  virtual void Focus() OVERRIDE;
-  virtual void Blur() OVERRIDE;
   virtual void OnFocus() OVERRIDE;
   virtual void OnBlur() OVERRIDE;
 
+  // Overridden from RenderWidgetHostView
+  virtual void Focus() OVERRIDE;
+  virtual void Blur() OVERRIDE;
+
  private:
   friend class RenderWidgetHostViewViewsWidget;
 

views/ime/mock_input_method.cc

@@ -80,6 +80,7 @@ void MockInputMethod::DispatchKeyEvent(const KeyEvent& key) {
 void MockInputMethod::OnTextInputTypeChanged(View* view) {
   if (IsViewFocused(view))
     text_input_type_changed_ = true;
+  InputMethodBase::OnTextInputTypeChanged(view);
 }
 
 void MockInputMethod::OnCaretBoundsChanged(View* view) {

views/widget/native_widget_gtk.cc

@@ -961,10 +961,11 @@ bool NativeWidgetGtk::HasMouseCapture() const {
 }
 
 InputMethod* NativeWidgetGtk::CreateInputMethod() {
-  // Create input method when pure views is enabled.
+  // Create input method when pure views is enabled but not on views desktop.
   // TODO(suzhe): Always enable input method when we start to use
   // RenderWidgetHostViewViews in normal ChromeOS.
-  if (views::Widget::IsPureViews()) {
+  if (views::Widget::IsPureViews() &&
+      !ViewsDelegate::views_delegate->GetDefaultParentView()) {
 #if defined(HAVE_IBUS)
     InputMethod* input_method =
         InputMethodIBus::IsInputMethodIBusEnabled() ?
@@ -976,7 +977,7 @@ InputMethod* NativeWidgetGtk::CreateInputMethod() {
     input_method->Init(GetWidget());
     return input_method;
   }
-  // GTK's textfield handles IME.
+  // GTK's textfield or InputMethod in NativeWidgetViews will handle IME.
   return NULL;
 }