Remove incorrect deriving of CppVariant from WebNonCopyable.

CppVariant is supposed to be a copyable class and we override the default copy ctor and assignment operator for the same. It is wrongly derived from WebNonCopyable. Remove the incorrect inheritance.

R=jochen

BUG=None

TEST=None; no behavior change;

Review URL: https://codereview.chromium.org/32943007

git-svn-id: svn://svn.chromium.org/blink/trunk@160319 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Add an invalid image where one of the frames is larger than the image

Unit test for this image being added in: http://crrev.com/35893011

TBR=pkasting@chromium.org

BUG=310257

Review URL: https://codereview.chromium.org/36803002

git-svn-id: svn://svn.chromium.org/blink/trunk@160320 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Copy TextIerator.cpp to PlainTextRange.cpp and InputMethodController.h to PlainTextRange.cpp

This patch is a part of introducing PlainTextRange class in editing module. Another patch will update core.gypi to build PlainTextRange.

BUG=n/a
TEST=n/a; no behavior changes
R=morrita@chromium.org

Review URL: https://codereview.chromium.org/34313003

git-svn-id: svn://svn.chromium.org/blink/trunk@160321 bbb929c8-8fbe-4397-9dbb-9b2b20218538