Type conversion fixes, ui/ edition.

ui/base/l10n/l10n_util_win.cc

Index: ui/base/l10n/l10n_util_win.cc
diff --git a/ui/base/l10n/l10n_util_win.cc b/ui/base/l10n/l10n_util_win.cc
index c86b14a0c59f95a33c7c8b3b1b95caef0ecc5fa9..4e2f7f497735f2c1957cf1f0763c6d35f016af90 100644
--- a/ui/base/l10n/l10n_util_win.cc
+++ b/ui/base/l10n/l10n_util_win.cc
@@ -54,14 +54,13 @@ bool IsFontPresent(const wchar_t* font_name) {
   HDC dc = GetDC(0);
   HGDIOBJ oldFont = static_cast<HFONT>(SelectObject(dc, hfont));
   WCHAR actual_font_name[LF_FACESIZE];
-  DWORD size_ret = GetTextFace(dc, LF_FACESIZE, actual_font_name);
-  actual_font_name[LF_FACESIZE - 1] = 0;
+  int size_ret = GetTextFace(dc, LF_FACESIZE, actual_font_name);
   SelectObject(dc, oldFont);
   DeleteObject(hfont);
   ReleaseDC(0, dc);
   // We don't have to worry about East Asian fonts with locale-dependent
   // names here.
-  return wcscmp(font_name, actual_font_name) == 0;
+  return (size_ret != 0) && wcscmp(font_name, actual_font_name) == 0;
 }
 
 class OverrideLocaleHolder {
@@ -154,10 +153,10 @@ bool NeedOverrideDefaultUIFont(base::string16* override_font_family,
 }
 
 void AdjustUIFont(LOGFONT* logfont) {
-  double dpi_scale = gfx::GetDPIScale();
+  float dpi_scale = gfx::GetDPIScale();
   if (gfx::Display::HasForceDeviceScaleFactor()) {
     // If the scale is forced, we don't need to adjust it here.
-    dpi_scale = 1.0;
+    dpi_scale = 1.0f;
   }
   AdjustUIFontForDIP(dpi_scale, logfont);
 }