Code: bool HarfBuzzShaper::shape(GlyphBuffer* glyphBuffer)
{
     if (!createHarfBuzzRuns())
         return false;
 
    m_totalWidth = 0;
     if (!shapeHarfBuzzRuns())
         return false;
 
    if (glyphBuffer && !fillGlyphBuffer(glyphBuffer))
        return false;

    return true;
}

Vulnerability Type: DoS 
CWE ID: 
Summary: Multiple unspecified vulnerabilities in Google Chrome before 43.0.2357.65 allow attackers to cause a denial of service or possibly have other impact via unknown vectors.
Commit Message: Always initialize |m_totalWidth| in HarfBuzzShaper::shape.

R=leviw@chromium.org
BUG=476647

Review URL: https://codereview.chromium.org/1108663003

git-svn-id: svn://svn.chromium.org/blink/trunk@194541 bbb929c8-8fbe-4397-9dbb-9b2b20218538