Support inputmode using InputScope for Windows8 metro.
Chrome runs in TSF mode at Windows8 metro.
We use COM interface ITextStoreACP::RetrieveRequestedAttrs to tell InputScope to IME in the mode.
TSFTextStore, which implements ITextStoreACP, knows target inputmode through TextInputClient::GetTextInputMode and get InputScope using tsf_inputscope::CreateInputScope appending to text input type.
RenderWidgetHostViewWin implements TextInputClient::GetTextInputMode.
BUG=244688
TEST=Run "chrome --enable-text-services-framework --enable-input-mode-attribute" at windows8 desktop and tests manually using hardware keyboard and onscreen keyboard. Both MS-IME and GoogleJapaneseInput works with hardware keyboard. Unfortunately, onscreen keyboard with MS-IME doesn't work but with GoogleJapaneseIME works. But there might be some issue in onscreen keyboard with MS-IME.
Review URL: https://chromiumcodereview.appspot.com/23542003
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@220511 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed
