Fix typo: BackQuote -> Backquote.

Bug: 906511
Change-Id: I7ea2770072347eb37a0b9800a2ba0d17cecfe496
Reviewed-on: https://chromium-review.googlesource.com/c/1343577Reviewed-by: Leo Zhang <googleo@chromium.org>
Commit-Queue: Shu Chen <shuchen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#609576}

chromeos/services/ime/public/cpp/rulebased/rules_data.cc

@@ -162,7 +162,7 @@ static const std::map<std::string, RawDataEntry> kRawData = {
 
 static const char* k101Keys[] = {
     // Row #1
-    "BackQuote", "Digit1", "Digit2", "Digit3", "Digit4", "Digit5", "Digit6",
+    "Backquote", "Digit1", "Digit2", "Digit3", "Digit4", "Digit5", "Digit6",
     "Digit7", "Digit8", "Digit9", "Digit0", "Minus", "Equal",
     // Row #2
     "KeyQ", "KeyW", "KeyE", "KeyR", "KeyT", "KeyY", "KeyU", "KeyI", "KeyO",
@@ -178,7 +178,7 @@ static const char* k101Keys[] = {
 
 static const char* k102Keys[] = {
     // Row #1
-    "BackQuote", "Digit1", "Digit2", "Digit3", "Digit4", "Digit5", "Digit6",
+    "Backquote", "Digit1", "Digit2", "Digit3", "Digit4", "Digit5", "Digit6",
     "Digit7", "Digit8", "Digit9", "Digit0", "Minus", "Equal",
     // Row #2
     "KeyQ", "KeyW", "KeyE", "KeyR", "KeyT", "KeyY", "KeyU", "KeyI", "KeyO",