Add extension API to change window show state using chrome.windows.update().

chrome/browser/extensions/extension_tabs_module_constants.h

Index: chrome/browser/extensions/extension_tabs_module_constants.h
diff --git a/chrome/browser/extensions/extension_tabs_module_constants.h b/chrome/browser/extensions/extension_tabs_module_constants.h
index 048013e37daad2f53b736d693c9811fd5a9506a9..db0675afe85b2bfe776fccb68449aa9e78058df4 100644
--- a/chrome/browser/extensions/extension_tabs_module_constants.h
+++ b/chrome/browser/extensions/extension_tabs_module_constants.h
@@ -34,6 +34,7 @@ extern const char kPopulateKey[];
 extern const char kQualityKey[];
 extern const char kHighlightedKey[];
 extern const char kSelectedKey[];
+extern const char kShowStateKey[];
 extern const char kStatusKey[];
 extern const char kTabIdKey[];
 extern const char kTabIdsKey[];
@@ -57,6 +58,9 @@ extern const char kFormatValueJpeg[];
 extern const char kFormatValuePng[];
 extern const char kMimeTypeJpeg[];
 extern const char kMimeTypePng[];
+extern const char kShowStateValueNormal[];
+extern const char kShowStateValueMinimized[];
+extern const char kShowStateValueMaximized[];
 extern const char kStatusValueComplete[];
 extern const char kStatusValueLoading[];
 extern const char kWindowTypeValueNormal[];
@@ -81,6 +85,8 @@ extern const char kInvalidUrlError[];
 extern const char kInternalVisibleTabCaptureError[];
 extern const char kNotImplementedError[];
 extern const char kSupportedInWindowsOnlyError[];
+extern const char kInvalidWindowTypeError[];
+extern const char kInvalidWindowStateError[];
 
 extern const char kNoCodeOrFileToExecuteError[];
 extern const char kMoreThanOneValuesError[];